Value classes: treat @JvmInline value classes as inline classes

Report error on value classes without @JvmInline annotation.
Do not check for @JvmInline annotation in value classes since
it breaks reflection.

compiler/testData/diagnostics/tests/valueClasses/basicValueClassDeclaration.fir.kt

@@ -0,0 +1,13 @@
+// !LANGUAGE: +InlineClasses
+
+package kotlin
+
+annotation class JvmInline
+
+@JvmInline
+value class Foo(val x: Int)
+
+value interface InlineInterface
+value annotation class InlineAnn
+value object InlineObject
+value enum class InlineEnum

compiler/testData/diagnostics/tests/valueClasses/basicValueClassDeclaration.kt

@@ -0,0 +1,13 @@
+// !LANGUAGE: +InlineClasses
+
+package kotlin
+
+annotation class JvmInline
+
+@JvmInline
+value class Foo(val x: Int)
+
+<!WRONG_MODIFIER_TARGET!>value<!> interface InlineInterface
+<!WRONG_MODIFIER_TARGET!>value<!> annotation class InlineAnn
+<!WRONG_MODIFIER_TARGET!>value<!> object InlineObject
+<!WRONG_MODIFIER_TARGET!>value<!> enum class InlineEnum

compiler/testData/diagnostics/tests/valueClasses/basicValueClassDeclaration.txt

@@ -0,0 +1,56 @@
+package
+
+package kotlin {
+
+    @kotlin.JvmInline public final value class Foo {
+        public constructor Foo(/*0*/ x: kotlin.Int)
+        public final val x: kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    public final value annotation class InlineAnn : kotlin.Annotation {
+        public constructor InlineAnn()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public final value enum class InlineEnum : kotlin.Enum<kotlin.InlineEnum> {
+        private constructor InlineEnum()
+        public final override /*1*/ /*fake_override*/ val name: kotlin.String
+        public final override /*1*/ /*fake_override*/ val ordinal: kotlin.Int
+        protected final override /*1*/ /*fake_override*/ fun clone(): kotlin.Any
+        public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: kotlin.InlineEnum): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        protected/*protected and package*/ final override /*1*/ /*fake_override*/ /*isHiddenForResolutionEverywhereBesideSupercalls*/ fun finalize(): kotlin.Unit
+        public final override /*1*/ /*fake_override*/ /*isHiddenForResolutionEverywhereBesideSupercalls*/ fun getDeclaringClass(): java.lang.Class<kotlin.InlineEnum!>!
+        public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+        // Static members
+        public final /*synthesized*/ fun valueOf(/*0*/ value: kotlin.String): kotlin.InlineEnum
+        public final /*synthesized*/ fun values(): kotlin.Array<kotlin.InlineEnum>
+    }
+
+    public value interface InlineInterface {
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public value object InlineObject {
+        private constructor InlineObject()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public final annotation class JvmInline : kotlin.Annotation {
+        public constructor JvmInline()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+}

compiler/testData/diagnostics/tests/valueClasses/basicValueClassDeclarationDisabled.fir.kt

@@ -0,0 +1,15 @@
+// !LANGUAGE: -InlineClasses
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+package kotlin
+
+annotation class JvmInline
+
+value class Foo(val x: Int)
+
+value annotation class InlineAnn
+value object InlineObject
+value enum class InlineEnum
+
+@JvmInline
+value class NotVal(x: Int)

compiler/testData/diagnostics/tests/valueClasses/basicValueClassDeclarationDisabled.kt

@@ -0,0 +1,15 @@
+// !LANGUAGE: -InlineClasses
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+package kotlin
+
+annotation class JvmInline
+
+<!UNSUPPORTED_FEATURE, VALUE_CLASS_WITHOUT_JVM_INLINE_ANNOTATION!>value<!> class Foo(val x: Int)
+
+<!WRONG_MODIFIER_TARGET!>value<!> annotation class InlineAnn
+<!WRONG_MODIFIER_TARGET!>value<!> object InlineObject
+<!WRONG_MODIFIER_TARGET!>value<!> enum class InlineEnum
+
+@JvmInline
+<!UNSUPPORTED_FEATURE!>value<!> class NotVal(<!INLINE_CLASS_CONSTRUCTOR_NOT_FINAL_READ_ONLY_PARAMETER!>x: Int<!>)

compiler/testData/diagnostics/tests/valueClasses/basicValueClassDeclarationDisabled.txt

@@ -0,0 +1,57 @@
+package
+
+package kotlin {
+
+    public final value class Foo {
+        public constructor Foo(/*0*/ x: kotlin.Int)
+        public final val x: kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public final value annotation class InlineAnn : kotlin.Annotation {
+        public constructor InlineAnn()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public final value enum class InlineEnum : kotlin.Enum<kotlin.InlineEnum> {
+        private constructor InlineEnum()
+        public final override /*1*/ /*fake_override*/ val name: kotlin.String
+        public final override /*1*/ /*fake_override*/ val ordinal: kotlin.Int
+        protected final override /*1*/ /*fake_override*/ fun clone(): kotlin.Any
+        public final override /*1*/ /*fake_override*/ fun compareTo(/*0*/ other: kotlin.InlineEnum): kotlin.Int
+        public final override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        protected/*protected and package*/ final override /*1*/ /*fake_override*/ /*isHiddenForResolutionEverywhereBesideSupercalls*/ fun finalize(): kotlin.Unit
+        public final override /*1*/ /*fake_override*/ /*isHiddenForResolutionEverywhereBesideSupercalls*/ fun getDeclaringClass(): java.lang.Class<kotlin.InlineEnum!>!
+        public final override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+        // Static members
+        public final /*synthesized*/ fun valueOf(/*0*/ value: kotlin.String): kotlin.InlineEnum
+        public final /*synthesized*/ fun values(): kotlin.Array<kotlin.InlineEnum>
+    }
+
+    public value object InlineObject {
+        private constructor InlineObject()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public final annotation class JvmInline : kotlin.Annotation {
+        public constructor JvmInline()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class NotVal {
+        public constructor NotVal(/*0*/ x: kotlin.Int)
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+}

compiler/testData/diagnostics/tests/valueClasses/constructorsJvmSignaturesClash.fir.kt

@@ -0,0 +1,24 @@
+// !LANGUAGE: +InlineClasses
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+package kotlin
+
+annotation class JvmInline
+
+@JvmInline
+value class X(val x: Int)
+@JvmInline
+value class Z(val x: Int)
+
+class TestOk1(val a: Int, val b: Int) {
+    constructor(x: X) : this(x.x, 1)
+}
+
+class TestErr1(val a: Int) {
+    constructor(x: X) : this(x.x)
+}
+
+class TestErr2(val a: Int, val b: Int) {
+    constructor(x: X) : this(x.x, 1)
+    constructor(z: Z) : this(z.x, 2)
+}

compiler/testData/diagnostics/tests/valueClasses/constructorsJvmSignaturesClash.kt

@@ -0,0 +1,24 @@
+// !LANGUAGE: +InlineClasses
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+package kotlin
+
+annotation class JvmInline
+
+@JvmInline
+value class X(val x: Int)
+@JvmInline
+value class Z(val x: Int)
+
+class TestOk1(val a: Int, val b: Int) {
+    constructor(x: X) : this(x.x, 1)
+}
+
+class TestErr1(val a: Int) {
+    <!CONFLICTING_JVM_DECLARATIONS!>constructor(x: X)<!> : this(x.x)
+}
+
+class <!CONFLICTING_JVM_DECLARATIONS!>TestErr2(val a: Int, val b: Int)<!> {
+    <!CONFLICTING_JVM_DECLARATIONS!>constructor(x: X)<!> : this(x.x, 1)
+    <!CONFLICTING_JVM_DECLARATIONS!>constructor(z: Z)<!> : this(z.x, 2)
+}

compiler/testData/diagnostics/tests/valueClasses/constructorsJvmSignaturesClash.txt

@@ -0,0 +1,57 @@
+package
+
+package kotlin {
+
+    public final annotation class JvmInline : kotlin.Annotation {
+        public constructor JvmInline()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public final class TestErr1 {
+        public constructor TestErr1(/*0*/ a: kotlin.Int)
+        public constructor TestErr1(/*0*/ x: kotlin.X)
+        public final val a: kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public final class TestErr2 {
+        public constructor TestErr2(/*0*/ a: kotlin.Int, /*1*/ b: kotlin.Int)
+        public constructor TestErr2(/*0*/ x: kotlin.X)
+        public constructor TestErr2(/*0*/ z: kotlin.Z)
+        public final val a: kotlin.Int
+        public final val b: kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public final class TestOk1 {
+        public constructor TestOk1(/*0*/ a: kotlin.Int, /*1*/ b: kotlin.Int)
+        public constructor TestOk1(/*0*/ x: kotlin.X)
+        public final val a: kotlin.Int
+        public final val b: kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class X {
+        public constructor X(/*0*/ x: kotlin.Int)
+        public final val x: kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class Z {
+        public constructor Z(/*0*/ x: kotlin.Int)
+        public final val x: kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+}

compiler/testData/diagnostics/tests/valueClasses/delegatedPropertyInValueClass.fir.kt

@@ -0,0 +1,33 @@
+// !LANGUAGE: +InlineClasses
+
+package kotlin
+
+annotation class JvmInline
+
+class Val {
+    operator fun getValue(thisRef: Any?, kProp: Any?) = 1
+}
+
+class Var {
+    operator fun getValue(thisRef: Any?, kProp: Any?) = 2
+    operator fun setValue(thisRef: Any?, kProp: Any?, value: Int) {}
+}
+
+
+object ValObject {
+    operator fun getValue(thisRef: Any?, kProp: Any?) = 1
+}
+
+object VarObject {
+    operator fun getValue(thisRef: Any?, kProp: Any?) = 2
+    operator fun setValue(thisRef: Any?, kProp: Any?, value: Int) {}
+}
+
+@JvmInline
+value class Z(val data: Int) {
+    val testVal by Val()
+    var testVar by Var()
+
+    val testValBySingleton by ValObject
+    var testVarBySingleton by VarObject
+}

compiler/testData/diagnostics/tests/valueClasses/delegatedPropertyInValueClass.kt

@@ -0,0 +1,33 @@
+// !LANGUAGE: +InlineClasses
+
+package kotlin
+
+annotation class JvmInline
+
+class Val {
+    operator fun getValue(thisRef: Any?, kProp: Any?) = 1
+}
+
+class Var {
+    operator fun getValue(thisRef: Any?, kProp: Any?) = 2
+    operator fun setValue(thisRef: Any?, kProp: Any?, value: Int) {}
+}
+
+
+object ValObject {
+    operator fun getValue(thisRef: Any?, kProp: Any?) = 1
+}
+
+object VarObject {
+    operator fun getValue(thisRef: Any?, kProp: Any?) = 2
+    operator fun setValue(thisRef: Any?, kProp: Any?, value: Int) {}
+}
+
+@JvmInline
+value class Z(val data: Int) {
+    val testVal <!DELEGATED_PROPERTY_INSIDE_INLINE_CLASS!>by Val()<!>
+    var testVar <!DELEGATED_PROPERTY_INSIDE_INLINE_CLASS!>by Var()<!>
+
+    val testValBySingleton <!DELEGATED_PROPERTY_INSIDE_INLINE_CLASS!>by ValObject<!>
+    var testVarBySingleton <!DELEGATED_PROPERTY_INSIDE_INLINE_CLASS!>by VarObject<!>
+}

compiler/testData/diagnostics/tests/valueClasses/delegatedPropertyInValueClass.txt

@@ -0,0 +1,57 @@
+package
+
+package kotlin {
+
+    public final annotation class JvmInline : kotlin.Annotation {
+        public constructor JvmInline()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public final class Val {
+        public constructor Val()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public final operator fun getValue(/*0*/ thisRef: kotlin.Any?, /*1*/ kProp: kotlin.Any?): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public object ValObject {
+        private constructor ValObject()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public final operator fun getValue(/*0*/ thisRef: kotlin.Any?, /*1*/ kProp: kotlin.Any?): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public final class Var {
+        public constructor Var()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public final operator fun getValue(/*0*/ thisRef: kotlin.Any?, /*1*/ kProp: kotlin.Any?): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public final operator fun setValue(/*0*/ thisRef: kotlin.Any?, /*1*/ kProp: kotlin.Any?, /*2*/ value: kotlin.Int): kotlin.Unit
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public object VarObject {
+        private constructor VarObject()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public final operator fun getValue(/*0*/ thisRef: kotlin.Any?, /*1*/ kProp: kotlin.Any?): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public final operator fun setValue(/*0*/ thisRef: kotlin.Any?, /*1*/ kProp: kotlin.Any?, /*2*/ value: kotlin.Int): kotlin.Unit
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class Z {
+        public constructor Z(/*0*/ data: kotlin.Int)
+        public final val data: kotlin.Int
+        public final val testVal: kotlin.Int
+        public final val testValBySingleton: kotlin.Int
+        public final var testVar: kotlin.Int
+        public final var testVarBySingleton: kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+}

compiler/testData/diagnostics/tests/valueClasses/functionsJvmSignaturesClash.fir.kt

@@ -0,0 +1,46 @@
+// !LANGUAGE: +InlineClasses
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+package kotlin
+
+annotation class JvmInline
+
+@JvmInline
+value class X(val x: Int)
+@JvmInline
+value class Z(val x: Int)
+@JvmInline
+value class Str(val str: String)
+@JvmInline
+value class Name(val name: String)
+@JvmInline
+value class NStr(val str: String?)
+
+fun testSimple(x: X) {}
+fun testSimple(z: Z) {}
+
+fun testMixed(x: Int, y: Int) {}
+fun testMixed(x: X, y: Int) {}
+fun testMixed(x: Int, y: X) {}
+fun testMixed(x: X, y: X) {}
+
+fun testNewType(s: Str) {}
+fun testNewType(name: Name) {}
+
+fun testNullableVsNonNull1(s: Str) {}
+fun testNullableVsNonNull1(s: Str?) {}
+
+fun testNullableVsNonNull2(ns: NStr) {}
+fun testNullableVsNonNull2(ns: NStr?) {}
+
+fun testFunVsExt(x: X) {}
+fun X.testFunVsExt() {}
+
+fun testNonGenericVsGeneric(x: X, y: Number) {}
+fun <T : Number> testNonGenericVsGeneric(x: X, y: T) {}
+
+class C<TC : Number> {
+    fun testNonGenericVsGeneric(x: X, y: Number) {}
+    fun <T : Number> testNonGenericVsGeneric(x: X, y: T) {}
+    fun testNonGenericVsGeneric(x: X, y: TC) {}
+}

compiler/testData/diagnostics/tests/valueClasses/functionsJvmSignaturesClash.kt

@@ -0,0 +1,46 @@
+// !LANGUAGE: +InlineClasses
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+package kotlin
+
+annotation class JvmInline
+
+@JvmInline
+value class X(val x: Int)
+@JvmInline
+value class Z(val x: Int)
+@JvmInline
+value class Str(val str: String)
+@JvmInline
+value class Name(val name: String)
+@JvmInline
+value class NStr(val str: String?)
+
+fun testSimple(x: X) {}
+fun testSimple(z: Z) {}
+
+fun testMixed(x: Int, y: Int) {}
+fun testMixed(x: X, y: Int) {}
+fun testMixed(x: Int, y: X) {}
+fun testMixed(x: X, y: X) {}
+
+fun testNewType(s: Str) {}
+fun testNewType(name: Name) {}
+
+fun testNullableVsNonNull1(s: Str) {}
+fun testNullableVsNonNull1(s: Str?) {}
+
+fun testNullableVsNonNull2(ns: NStr) {}
+fun testNullableVsNonNull2(ns: NStr?) {}
+
+<!CONFLICTING_JVM_DECLARATIONS!>fun testFunVsExt(x: X)<!> {}
+<!CONFLICTING_JVM_DECLARATIONS!>fun X.testFunVsExt()<!> {}
+
+<!CONFLICTING_JVM_DECLARATIONS!>fun testNonGenericVsGeneric(x: X, y: Number)<!> {}
+<!CONFLICTING_JVM_DECLARATIONS!>fun <T : Number> testNonGenericVsGeneric(x: X, y: T)<!> {}
+
+class C<TC : Number> {
+    <!CONFLICTING_JVM_DECLARATIONS!>fun testNonGenericVsGeneric(x: X, y: Number)<!> {}
+    <!CONFLICTING_JVM_DECLARATIONS!>fun <T : Number> testNonGenericVsGeneric(x: X, y: T)<!> {}
+    <!CONFLICTING_JVM_DECLARATIONS!>fun testNonGenericVsGeneric(x: X, y: TC)<!> {}
+}

compiler/testData/diagnostics/tests/valueClasses/functionsJvmSignaturesClash.txt

@@ -0,0 +1,77 @@
+package
+
+package kotlin {
+    public fun testFunVsExt(/*0*/ x: kotlin.X): kotlin.Unit
+    public fun testMixed(/*0*/ x: kotlin.Int, /*1*/ y: kotlin.Int): kotlin.Unit
+    public fun testMixed(/*0*/ x: kotlin.Int, /*1*/ y: kotlin.X): kotlin.Unit
+    public fun testMixed(/*0*/ x: kotlin.X, /*1*/ y: kotlin.Int): kotlin.Unit
+    public fun testMixed(/*0*/ x: kotlin.X, /*1*/ y: kotlin.X): kotlin.Unit
+    public fun testNewType(/*0*/ name: kotlin.Name): kotlin.Unit
+    public fun testNewType(/*0*/ s: kotlin.Str): kotlin.Unit
+    public fun </*0*/ T : kotlin.Number> testNonGenericVsGeneric(/*0*/ x: kotlin.X, /*1*/ y: T): kotlin.Unit
+    public fun testNonGenericVsGeneric(/*0*/ x: kotlin.X, /*1*/ y: kotlin.Number): kotlin.Unit
+    public fun testNullableVsNonNull1(/*0*/ s: kotlin.Str): kotlin.Unit
+    public fun testNullableVsNonNull1(/*0*/ s: kotlin.Str?): kotlin.Unit
+    public fun testNullableVsNonNull2(/*0*/ ns: kotlin.NStr): kotlin.Unit
+    public fun testNullableVsNonNull2(/*0*/ ns: kotlin.NStr?): kotlin.Unit
+    public fun testSimple(/*0*/ x: kotlin.X): kotlin.Unit
+    public fun testSimple(/*0*/ z: kotlin.Z): kotlin.Unit
+    public fun kotlin.X.testFunVsExt(): kotlin.Unit
+
+    public final class C</*0*/ TC : kotlin.Number> {
+        public constructor C</*0*/ TC : kotlin.Number>()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public final fun </*0*/ T : kotlin.Number> testNonGenericVsGeneric(/*0*/ x: kotlin.X, /*1*/ y: T): kotlin.Unit
+        public final fun testNonGenericVsGeneric(/*0*/ x: kotlin.X, /*1*/ y: TC): kotlin.Unit
+        public final fun testNonGenericVsGeneric(/*0*/ x: kotlin.X, /*1*/ y: kotlin.Number): kotlin.Unit
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public final annotation class JvmInline : kotlin.Annotation {
+        public constructor JvmInline()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class NStr {
+        public constructor NStr(/*0*/ str: kotlin.String?)
+        public final val str: kotlin.String?
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class Name {
+        public constructor Name(/*0*/ name: kotlin.String)
+        public final val name: kotlin.String
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class Str {
+        public constructor Str(/*0*/ str: kotlin.String)
+        public final val str: kotlin.String
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class X {
+        public constructor X(/*0*/ x: kotlin.Int)
+        public final val x: kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class Z {
+        public constructor Z(/*0*/ x: kotlin.Int)
+        public final val x: kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+}

compiler/testData/diagnostics/tests/valueClasses/functionsJvmSignaturesConflictOnInheritance.kt

@@ -0,0 +1,21 @@
+// FIR_IDENTICAL
+// !LANGUAGE: +InlineClasses
+
+package kotlin
+
+annotation class JvmInline
+
+@JvmInline
+value class Name(val name: String)
+@JvmInline
+value class Password(val password: String)
+
+interface NameVerifier {
+    fun verify(name: Name)
+}
+
+interface PasswordVerifier {
+    fun verify(password: Password)
+}
+
+interface NameAndPasswordVerifier : NameVerifier, PasswordVerifier

compiler/testData/diagnostics/tests/valueClasses/functionsJvmSignaturesConflictOnInheritance.txt

@@ -0,0 +1,49 @@
+package
+
+package kotlin {
+
+    public final annotation class JvmInline : kotlin.Annotation {
+        public constructor JvmInline()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class Name {
+        public constructor Name(/*0*/ name: kotlin.String)
+        public final val name: kotlin.String
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    public interface NameAndPasswordVerifier : kotlin.NameVerifier, kotlin.PasswordVerifier {
+        public open override /*2*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*2*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*2*/ /*fake_override*/ fun toString(): kotlin.String
+        public abstract override /*1*/ /*fake_override*/ fun verify(/*0*/ name: kotlin.Name): kotlin.Unit
+        public abstract override /*1*/ /*fake_override*/ fun verify(/*0*/ password: kotlin.Password): kotlin.Unit
+    }
+
+    public interface NameVerifier {
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+        public abstract fun verify(/*0*/ name: kotlin.Name): kotlin.Unit
+    }
+
+    @kotlin.JvmInline public final value class Password {
+        public constructor Password(/*0*/ password: kotlin.String)
+        public final val password: kotlin.String
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    public interface PasswordVerifier {
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+        public abstract fun verify(/*0*/ password: kotlin.Password): kotlin.Unit
+    }
+}

compiler/testData/diagnostics/tests/valueClasses/identityComparisonWithValueClasses.fir.kt

@@ -0,0 +1,21 @@
+// !LANGUAGE: +InlineClasses
+// !DIAGNOSTICS: -UNUSED_VARIABLE
+
+package kotlin
+
+annotation class JvmInline
+
+@JvmInline
+value class Foo(val x: Int)
+@JvmInline
+value class Bar(val y: String)
+
+fun test(f1: Foo, f2: Foo, b1: Bar, fn1: Foo?, fn2: Foo?) {
+    val a1 = f1 === f2 || f1 !== f2
+    val a2 = f1 === f1
+    val a3 = f1 === b1 || f1 !== b1
+
+    val c1 = fn1 === fn2 || fn1 !== fn2
+    val c2 = f1 === fn1 || f1 !== fn1
+    val c3 = b1 === fn1 || b1 !== fn1
+}

compiler/testData/diagnostics/tests/valueClasses/identityComparisonWithValueClasses.kt

@@ -0,0 +1,21 @@
+// !LANGUAGE: +InlineClasses
+// !DIAGNOSTICS: -UNUSED_VARIABLE
+
+package kotlin
+
+annotation class JvmInline
+
+@JvmInline
+value class Foo(val x: Int)
+@JvmInline
+value class Bar(val y: String)
+
+fun test(f1: Foo, f2: Foo, b1: Bar, fn1: Foo?, fn2: Foo?) {
+    val a1 = <!FORBIDDEN_IDENTITY_EQUALS!>f1 === f2<!> || <!FORBIDDEN_IDENTITY_EQUALS!>f1 !== f2<!>
+    val a2 = <!FORBIDDEN_IDENTITY_EQUALS!>f1 === f1<!>
+    val a3 = <!EQUALITY_NOT_APPLICABLE!>f1 === b1<!> || <!EQUALITY_NOT_APPLICABLE!>f1 !== b1<!>
+
+    val c1 = <!FORBIDDEN_IDENTITY_EQUALS!>fn1 === fn2<!> || <!FORBIDDEN_IDENTITY_EQUALS!>fn1 !== fn2<!>
+    val c2 = f1 === fn1 || f1 !== fn1
+    val c3 = <!EQUALITY_NOT_APPLICABLE!>b1 === fn1<!> || <!EQUALITY_NOT_APPLICABLE!>b1 !== fn1<!>
+}

compiler/testData/diagnostics/tests/valueClasses/identityComparisonWithValueClasses.txt

@@ -0,0 +1,28 @@
+package
+
+package kotlin {
+    public fun test(/*0*/ f1: kotlin.Foo, /*1*/ f2: kotlin.Foo, /*2*/ b1: kotlin.Bar, /*3*/ fn1: kotlin.Foo?, /*4*/ fn2: kotlin.Foo?): kotlin.Unit
+
+    @kotlin.JvmInline public final value class Bar {
+        public constructor Bar(/*0*/ y: kotlin.String)
+        public final val y: kotlin.String
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class Foo {
+        public constructor Foo(/*0*/ x: kotlin.Int)
+        public final val x: kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    public final annotation class JvmInline : kotlin.Annotation {
+        public constructor JvmInline()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+}

compiler/testData/diagnostics/tests/valueClasses/lateinitValueClasses.fir.kt

@@ -0,0 +1,15 @@
+// !LANGUAGE: +InlineClasses
+// !DIAGNOSTICS: -UNUSED_VARIABLE
+
+package kotlin
+
+annotation class JvmInline
+
+@JvmInline
+value class Foo(val x: Int)
+
+lateinit var a: Foo
+
+fun foo() {
+    lateinit var b: Foo
+}

compiler/testData/diagnostics/tests/valueClasses/lateinitValueClasses.kt

@@ -0,0 +1,15 @@
+// !LANGUAGE: +InlineClasses
+// !DIAGNOSTICS: -UNUSED_VARIABLE
+
+package kotlin
+
+annotation class JvmInline
+
+@JvmInline
+value class Foo(val x: Int)
+
+<!INAPPLICABLE_LATEINIT_MODIFIER!>lateinit<!> var a: Foo
+
+fun foo() {
+    <!INAPPLICABLE_LATEINIT_MODIFIER!>lateinit<!> var b: Foo
+}

compiler/testData/diagnostics/tests/valueClasses/lateinitValueClasses.txt

@@ -0,0 +1,21 @@
+package
+
+package kotlin {
+    public lateinit var a: kotlin.Foo
+    public fun foo(): kotlin.Unit
+
+    @kotlin.JvmInline public final value class Foo {
+        public constructor Foo(/*0*/ x: kotlin.Int)
+        public final val x: kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    public final annotation class JvmInline : kotlin.Annotation {
+        public constructor JvmInline()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+}

compiler/testData/diagnostics/tests/valueClasses/presenceOfInitializerBlockInsideValueClass.kt

@@ -0,0 +1,16 @@
+// !LANGUAGE: +InlineClasses
+// !DIAGNOSTICS: -UNUSED_VARIABLE
+// FIR_IDENTICAL
+
+package kotlin
+
+annotation class JvmInline
+
+@JvmInline
+value class Foo(val x: Int) {
+    init {}
+
+    init {
+        val f = 1
+    }
+}

compiler/testData/diagnostics/tests/valueClasses/presenceOfInitializerBlockInsideValueClass.txt

@@ -0,0 +1,19 @@
+package
+
+package kotlin {
+
+    @kotlin.JvmInline public final value class Foo {
+        public constructor Foo(/*0*/ x: kotlin.Int)
+        public final val x: kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    public final annotation class JvmInline : kotlin.Annotation {
+        public constructor JvmInline()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+}

compiler/testData/diagnostics/tests/valueClasses/presenceOfPublicPrimaryConstructorForValueClass.kt

@@ -0,0 +1,17 @@
+// !LANGUAGE: +InlineClasses
+// FIR_IDENTICAL
+
+package kotlin
+
+annotation class JvmInline
+
+@JvmInline
+value class ConstructorWithDefaultVisibility(val x: Int)
+@JvmInline
+value class PublicConstructor public constructor(val x: Int)
+@JvmInline
+value class InternalConstructor internal constructor(val x: Int)
+@JvmInline
+value class ProtectedConstructor protected constructor(val x: Int)
+@JvmInline
+value class PrivateConstructor private constructor(val x: Int)

compiler/testData/diagnostics/tests/valueClasses/presenceOfPublicPrimaryConstructorForValueClass.txt

@@ -0,0 +1,51 @@
+package
+
+package kotlin {
+
+    @kotlin.JvmInline public final value class ConstructorWithDefaultVisibility {
+        public constructor ConstructorWithDefaultVisibility(/*0*/ x: kotlin.Int)
+        public final val x: kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class InternalConstructor {
+        internal constructor InternalConstructor(/*0*/ x: kotlin.Int)
+        public final val x: kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    public final annotation class JvmInline : kotlin.Annotation {
+        public constructor JvmInline()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class PrivateConstructor {
+        private constructor PrivateConstructor(/*0*/ x: kotlin.Int)
+        public final val x: kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class ProtectedConstructor {
+        protected constructor ProtectedConstructor(/*0*/ x: kotlin.Int)
+        public final val x: kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class PublicConstructor {
+        public constructor PublicConstructor(/*0*/ x: kotlin.Int)
+        public final val x: kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+}

compiler/testData/diagnostics/tests/valueClasses/propertiesWithBackingFieldsInsideValueClass.fir.kt

@@ -0,0 +1,39 @@
+// !LANGUAGE: +InlineClasses
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+package kotlin
+
+annotation class JvmInline
+
+interface A {
+    val goodSize: Int
+}
+
+interface B {
+    val badSize: Int
+}
+
+@JvmInline
+value class Foo(val x: Int) : A, B {
+    val a0
+        get() = 0
+
+    val a1 = 0
+
+    var a2: Int
+        get() = 1
+        set(value) {}
+
+    var a3: Int = 0
+        get() = 1
+        set(value) {
+            field = value
+        }
+
+    override val goodSize: Int
+        get() = 0
+
+    override val badSize: Int = 0
+
+    lateinit var lateinitProperty: String
+}

compiler/testData/diagnostics/tests/valueClasses/propertiesWithBackingFieldsInsideValueClass.kt

@@ -0,0 +1,39 @@
+// !LANGUAGE: +InlineClasses
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+package kotlin
+
+annotation class JvmInline
+
+interface A {
+    val goodSize: Int
+}
+
+interface B {
+    val badSize: Int
+}
+
+@JvmInline
+value class Foo(val x: Int) : A, B {
+    val a0
+        get() = 0
+
+    <!PROPERTY_WITH_BACKING_FIELD_INSIDE_INLINE_CLASS!>val a1<!> = 0
+
+    var a2: Int
+        get() = 1
+        set(value) {}
+
+    <!PROPERTY_WITH_BACKING_FIELD_INSIDE_INLINE_CLASS!>var a3: Int<!> = 0
+        get() = 1
+        set(value) {
+            field = value
+        }
+
+    override val goodSize: Int
+        get() = 0
+
+    <!PROPERTY_WITH_BACKING_FIELD_INSIDE_INLINE_CLASS!>override val badSize: Int<!> = 0
+
+    <!PROPERTY_WITH_BACKING_FIELD_INSIDE_INLINE_CLASS!>lateinit var lateinitProperty: String<!>
+}

compiler/testData/diagnostics/tests/valueClasses/propertiesWithBackingFieldsInsideValueClass.txt

@@ -0,0 +1,40 @@
+package
+
+package kotlin {
+
+    public interface A {
+        public abstract val goodSize: kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public interface B {
+        public abstract val badSize: kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class Foo : kotlin.A, kotlin.B {
+        public constructor Foo(/*0*/ x: kotlin.Int)
+        public final val a0: kotlin.Int
+        public final val a1: kotlin.Int = 0
+        public final var a2: kotlin.Int
+        public final var a3: kotlin.Int
+        public open override /*1*/ val badSize: kotlin.Int = 0
+        public open override /*1*/ val goodSize: kotlin.Int
+        public final lateinit var lateinitProperty: kotlin.String
+        public final val x: kotlin.Int
+        public open override /*2*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*2*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*2*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    public final annotation class JvmInline : kotlin.Annotation {
+        public constructor JvmInline()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+}

compiler/testData/diagnostics/tests/valueClasses/recursiveValueClasses.fir.kt

@@ -0,0 +1,37 @@
+// !LANGUAGE: +InlineClasses
+
+package kotlin
+
+annotation class JvmInline
+
+@JvmInline
+value class Test1(val x: Test1)
+
+@JvmInline
+value class Test2A(val x: Test2B)
+@JvmInline
+value class Test2B(val x: Test2A)
+
+@JvmInline
+value class Test3A(val x: Test3B)
+@JvmInline
+value class Test3B(val x: Test3C)
+@JvmInline
+value class Test3C(val x: Test3A)
+
+@JvmInline
+value class TestNullable(val x: TestNullable?)
+
+@JvmInline
+value class TestRecursionInTypeArguments(val x: List<TestRecursionInTypeArguments>)
+
+@JvmInline
+value class TestRecursionInArray(val x: Array<TestRecursionInArray>)
+
+@JvmInline
+value class TestRecursionInUpperBounds<T : TestRecursionInUpperBounds<T>>(val x: T)
+
+@JvmInline
+value class Id<T>(val x: T)
+@JvmInline
+value class TestRecursionThroughId(val x: Id<TestRecursionThroughId>)

compiler/testData/diagnostics/tests/valueClasses/recursiveValueClasses.kt

@@ -0,0 +1,37 @@
+// !LANGUAGE: +InlineClasses
+
+package kotlin
+
+annotation class JvmInline
+
+@JvmInline
+value class Test1(val x: <!INLINE_CLASS_CANNOT_BE_RECURSIVE!>Test1<!>)
+
+@JvmInline
+value class Test2A(val x: <!INLINE_CLASS_CANNOT_BE_RECURSIVE!>Test2B<!>)
+@JvmInline
+value class Test2B(val x: <!INLINE_CLASS_CANNOT_BE_RECURSIVE!>Test2A<!>)
+
+@JvmInline
+value class Test3A(val x: <!INLINE_CLASS_CANNOT_BE_RECURSIVE!>Test3B<!>)
+@JvmInline
+value class Test3B(val x: <!INLINE_CLASS_CANNOT_BE_RECURSIVE!>Test3C<!>)
+@JvmInline
+value class Test3C(val x: <!INLINE_CLASS_CANNOT_BE_RECURSIVE!>Test3A<!>)
+
+@JvmInline
+value class TestNullable(val x: <!INLINE_CLASS_CANNOT_BE_RECURSIVE!>TestNullable?<!>)
+
+@JvmInline
+value class TestRecursionInTypeArguments(val x: List<TestRecursionInTypeArguments>)
+
+@JvmInline
+value class TestRecursionInArray(val x: Array<TestRecursionInArray>)
+
+@JvmInline
+value class TestRecursionInUpperBounds<T : TestRecursionInUpperBounds<T>>(val x: <!INLINE_CLASS_HAS_INAPPLICABLE_PARAMETER_TYPE!>T<!>)
+
+@JvmInline
+value class Id<T>(val x: <!INLINE_CLASS_HAS_INAPPLICABLE_PARAMETER_TYPE!>T<!>)
+@JvmInline
+value class TestRecursionThroughId(val x: Id<TestRecursionThroughId>)

compiler/testData/diagnostics/tests/valueClasses/recursiveValueClasses.txt

@@ -0,0 +1,107 @@
+package
+
+package kotlin {
+
+    @kotlin.JvmInline public final value class Id</*0*/ T> {
+        public constructor Id</*0*/ T>(/*0*/ x: T)
+        public final val x: T
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    public final annotation class JvmInline : kotlin.Annotation {
+        public constructor JvmInline()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class Test1 {
+        public constructor Test1(/*0*/ x: kotlin.Test1)
+        public final val x: kotlin.Test1
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class Test2A {
+        public constructor Test2A(/*0*/ x: kotlin.Test2B)
+        public final val x: kotlin.Test2B
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class Test2B {
+        public constructor Test2B(/*0*/ x: kotlin.Test2A)
+        public final val x: kotlin.Test2A
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class Test3A {
+        public constructor Test3A(/*0*/ x: kotlin.Test3B)
+        public final val x: kotlin.Test3B
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class Test3B {
+        public constructor Test3B(/*0*/ x: kotlin.Test3C)
+        public final val x: kotlin.Test3C
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class Test3C {
+        public constructor Test3C(/*0*/ x: kotlin.Test3A)
+        public final val x: kotlin.Test3A
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class TestNullable {
+        public constructor TestNullable(/*0*/ x: kotlin.TestNullable?)
+        public final val x: kotlin.TestNullable?
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class TestRecursionInArray {
+        public constructor TestRecursionInArray(/*0*/ x: kotlin.Array<kotlin.TestRecursionInArray>)
+        public final val x: kotlin.Array<kotlin.TestRecursionInArray>
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class TestRecursionInTypeArguments {
+        public constructor TestRecursionInTypeArguments(/*0*/ x: kotlin.collections.List<kotlin.TestRecursionInTypeArguments>)
+        public final val x: kotlin.collections.List<kotlin.TestRecursionInTypeArguments>
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class TestRecursionInUpperBounds</*0*/ T : kotlin.TestRecursionInUpperBounds<T>> {
+        public constructor TestRecursionInUpperBounds</*0*/ T : kotlin.TestRecursionInUpperBounds<T>>(/*0*/ x: T)
+        public final val x: T
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class TestRecursionThroughId {
+        public constructor TestRecursionThroughId(/*0*/ x: kotlin.Id<kotlin.TestRecursionThroughId>)
+        public final val x: kotlin.Id<kotlin.TestRecursionThroughId>
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+}

compiler/testData/diagnostics/tests/valueClasses/reservedMembersAndConstructsInsideValueClass.fir.kt

@@ -0,0 +1,54 @@
+// !LANGUAGE: +InlineClasses
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+package kotlin
+
+annotation class JvmInline
+
+@JvmInline
+value class IC1(val x: Any) {
+    fun box() {}
+    fun box(x: Any) {}
+
+    fun unbox() {}
+    fun unbox(x: Any) {}
+
+    override fun equals(other: Any?): Boolean = true
+    override fun hashCode(): Int = 0
+}
+
+@JvmInline
+value class IC2(val x: Any) {
+    fun box(x: Any) {}
+    fun box(): Any = TODO()
+
+    fun unbox(x: Any) {}
+    fun unbox(): Any = TODO()
+
+    fun equals(my: Any, other: Any): Boolean = true
+    fun hashCode(a: Any): Int = 0
+}
+
+@JvmInline
+value class IC3(val x: Any) {
+    fun box(x: Any): Any = TODO()
+    fun unbox(x: Any): Any = TODO()
+
+    fun equals(): Boolean = true
+}
+
+interface WithBox {
+    fun box(): String
+}
+
+@JvmInline
+value class IC4(val s: String) : WithBox {
+    override fun box(): String = ""
+}
+
+@JvmInline
+value class IC5(val a: String) {
+    constructor(i: Int) : this(i.toString()) {
+        TODO("something")
+    }
+}

compiler/testData/diagnostics/tests/valueClasses/reservedMembersAndConstructsInsideValueClass.kt

@@ -0,0 +1,54 @@
+// !LANGUAGE: +InlineClasses
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+package kotlin
+
+annotation class JvmInline
+
+@JvmInline
+value class IC1(val x: Any) {
+    fun <!RESERVED_MEMBER_INSIDE_INLINE_CLASS!>box<!>() {}
+    fun <!RESERVED_MEMBER_INSIDE_INLINE_CLASS!>box<!>(x: Any) {}
+
+    fun <!RESERVED_MEMBER_INSIDE_INLINE_CLASS!>unbox<!>() {}
+    fun <!RESERVED_MEMBER_INSIDE_INLINE_CLASS!>unbox<!>(x: Any) {}
+
+    override fun <!RESERVED_MEMBER_INSIDE_INLINE_CLASS!>equals<!>(other: Any?): Boolean = true
+    override fun <!RESERVED_MEMBER_INSIDE_INLINE_CLASS!>hashCode<!>(): Int = 0
+}
+
+@JvmInline
+value class IC2(val x: Any) {
+    fun <!RESERVED_MEMBER_INSIDE_INLINE_CLASS!>box<!>(x: Any) {}
+    fun <!RESERVED_MEMBER_INSIDE_INLINE_CLASS!>box<!>(): Any = TODO()
+
+    fun <!RESERVED_MEMBER_INSIDE_INLINE_CLASS!>unbox<!>(x: Any) {}
+    fun <!RESERVED_MEMBER_INSIDE_INLINE_CLASS!>unbox<!>(): Any = TODO()
+
+    fun <!RESERVED_MEMBER_INSIDE_INLINE_CLASS!>equals<!>(my: Any, other: Any): Boolean = true
+    fun <!RESERVED_MEMBER_INSIDE_INLINE_CLASS!>hashCode<!>(a: Any): Int = 0
+}
+
+@JvmInline
+value class IC3(val x: Any) {
+    fun <!RESERVED_MEMBER_INSIDE_INLINE_CLASS!>box<!>(x: Any): Any = TODO()
+    fun <!RESERVED_MEMBER_INSIDE_INLINE_CLASS!>unbox<!>(x: Any): Any = TODO()
+
+    fun <!RESERVED_MEMBER_INSIDE_INLINE_CLASS!>equals<!>(): Boolean = true
+}
+
+interface WithBox {
+    fun box(): String
+}
+
+@JvmInline
+value class IC4(val s: String) : WithBox {
+    override fun <!RESERVED_MEMBER_INSIDE_INLINE_CLASS!>box<!>(): String = ""
+}
+
+@JvmInline
+value class IC5(val a: String) {
+    constructor(i: Int) : this(i.toString()) <!SECONDARY_CONSTRUCTOR_WITH_BODY_INSIDE_INLINE_CLASS!>{<!>
+        TODO("something")
+    }
+}

compiler/testData/diagnostics/tests/valueClasses/reservedMembersAndConstructsInsideValueClass.txt

@@ -0,0 +1,73 @@
+package
+
+package kotlin {
+
+    @kotlin.JvmInline public final value class IC1 {
+        public constructor IC1(/*0*/ x: kotlin.Any)
+        public final val x: kotlin.Any
+        public final fun box(): kotlin.Unit
+        public final fun box(/*0*/ x: kotlin.Any): kotlin.Unit
+        public open override /*1*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+        public final fun unbox(): kotlin.Unit
+        public final fun unbox(/*0*/ x: kotlin.Any): kotlin.Unit
+    }
+
+    @kotlin.JvmInline public final value class IC2 {
+        public constructor IC2(/*0*/ x: kotlin.Any)
+        public final val x: kotlin.Any
+        public final fun box(): kotlin.Any
+        public final fun box(/*0*/ x: kotlin.Any): kotlin.Unit
+        public final fun equals(/*0*/ my: kotlin.Any, /*1*/ other: kotlin.Any): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public final fun hashCode(/*0*/ a: kotlin.Any): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+        public final fun unbox(): kotlin.Any
+        public final fun unbox(/*0*/ x: kotlin.Any): kotlin.Unit
+    }
+
+    @kotlin.JvmInline public final value class IC3 {
+        public constructor IC3(/*0*/ x: kotlin.Any)
+        public final val x: kotlin.Any
+        public final fun box(/*0*/ x: kotlin.Any): kotlin.Any
+        public final fun equals(): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+        public final fun unbox(/*0*/ x: kotlin.Any): kotlin.Any
+    }
+
+    @kotlin.JvmInline public final value class IC4 : kotlin.WithBox {
+        public constructor IC4(/*0*/ s: kotlin.String)
+        public final val s: kotlin.String
+        public open override /*1*/ fun box(): kotlin.String
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class IC5 {
+        public constructor IC5(/*0*/ i: kotlin.Int)
+        public constructor IC5(/*0*/ a: kotlin.String)
+        public final val a: kotlin.String
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    public final annotation class JvmInline : kotlin.Annotation {
+        public constructor JvmInline()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public interface WithBox {
+        public abstract fun box(): kotlin.String
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+}

compiler/testData/diagnostics/tests/valueClasses/unsignedLiteralsWithoutArtifactOnClasspath.fir.kt

@@ -0,0 +1,3 @@
+val u1 = 1u
+val u2 = 0xFu
+val u3 = 0b1u

compiler/testData/diagnostics/tests/valueClasses/unsignedLiteralsWithoutArtifactOnClasspath.kt

@@ -0,0 +1,3 @@
+val u1 = <!UNSIGNED_LITERAL_WITHOUT_DECLARATIONS_ON_CLASSPATH!>1u<!>
+val u2 = <!UNSIGNED_LITERAL_WITHOUT_DECLARATIONS_ON_CLASSPATH!>0xFu<!>
+val u3 = <!UNSIGNED_LITERAL_WITHOUT_DECLARATIONS_ON_CLASSPATH!>0b1u<!>

compiler/testData/diagnostics/tests/valueClasses/unsignedLiteralsWithoutArtifactOnClasspath.txt

@@ -0,0 +1,5 @@
+package
+
+public val u1: [ERROR : Type cannot be resolved. Please make sure you have the required dependencies for unsigned types in the classpath]
+public val u2: [ERROR : Type cannot be resolved. Please make sure you have the required dependencies for unsigned types in the classpath]
+public val u3: [ERROR : Type cannot be resolved. Please make sure you have the required dependencies for unsigned types in the classpath]

compiler/testData/diagnostics/tests/valueClasses/valueClassCanOnlyImplementInterfaces.fir.kt

@@ -0,0 +1,20 @@
+// !LANGUAGE: +InlineClasses
+
+package kotlin
+
+annotation class JvmInline
+
+abstract class AbstractBaseClass
+
+open class OpenBaseClass
+
+interface BaseInterface
+
+@JvmInline
+value class TestExtendsAbstractClass(val x: Int) : AbstractBaseClass()
+
+@JvmInline
+value class TestExtendsOpenClass(val x: Int) : OpenBaseClass()
+
+@JvmInline
+value class TestImplementsInterface(val x: Int) : BaseInterface

compiler/testData/diagnostics/tests/valueClasses/valueClassCanOnlyImplementInterfaces.kt

@@ -0,0 +1,20 @@
+// !LANGUAGE: +InlineClasses
+
+package kotlin
+
+annotation class JvmInline
+
+abstract class AbstractBaseClass
+
+open class OpenBaseClass
+
+interface BaseInterface
+
+@JvmInline
+value class TestExtendsAbstractClass(val x: Int) : <!INLINE_CLASS_CANNOT_EXTEND_CLASSES!>AbstractBaseClass<!>()
+
+@JvmInline
+value class TestExtendsOpenClass(val x: Int) : <!INLINE_CLASS_CANNOT_EXTEND_CLASSES!>OpenBaseClass<!>()
+
+@JvmInline
+value class TestImplementsInterface(val x: Int) : BaseInterface

compiler/testData/diagnostics/tests/valueClasses/valueClassCanOnlyImplementInterfaces.txt

@@ -0,0 +1,55 @@
+package
+
+package kotlin {
+
+    public abstract class AbstractBaseClass {
+        public constructor AbstractBaseClass()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public interface BaseInterface {
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public final annotation class JvmInline : kotlin.Annotation {
+        public constructor JvmInline()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public open class OpenBaseClass {
+        public constructor OpenBaseClass()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class TestExtendsAbstractClass : kotlin.AbstractBaseClass {
+        public constructor TestExtendsAbstractClass(/*0*/ x: kotlin.Int)
+        public final val x: kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class TestExtendsOpenClass : kotlin.OpenBaseClass {
+        public constructor TestExtendsOpenClass(/*0*/ x: kotlin.Int)
+        public final val x: kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class TestImplementsInterface : kotlin.BaseInterface {
+        public constructor TestImplementsInterface(/*0*/ x: kotlin.Int)
+        public final val x: kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+}

compiler/testData/diagnostics/tests/valueClasses/valueClassCannotImplementInterfaceByDelegation.fir.kt

@@ -0,0 +1,15 @@
+// !LANGUAGE: +InlineClasses
+
+package kotlin
+
+annotation class JvmInline
+
+interface IFoo
+
+object FooImpl : IFoo
+
+@JvmInline
+value class Test1(val x: Any) : IFoo by FooImpl
+
+@JvmInline
+value class Test2(val x: IFoo) : IFoo by x

compiler/testData/diagnostics/tests/valueClasses/valueClassCannotImplementInterfaceByDelegation.kt

@@ -0,0 +1,15 @@
+// !LANGUAGE: +InlineClasses
+
+package kotlin
+
+annotation class JvmInline
+
+interface IFoo
+
+object FooImpl : IFoo
+
+@JvmInline
+value class Test1(val x: Any) : <!INLINE_CLASS_CANNOT_IMPLEMENT_INTERFACE_BY_DELEGATION!>IFoo by FooImpl<!>
+
+@JvmInline
+value class Test2(val x: IFoo) : <!INLINE_CLASS_CANNOT_IMPLEMENT_INTERFACE_BY_DELEGATION!>IFoo by x<!>

compiler/testData/diagnostics/tests/valueClasses/valueClassCannotImplementInterfaceByDelegation.txt

@@ -0,0 +1,40 @@
+package
+
+package kotlin {
+
+    public object FooImpl : kotlin.IFoo {
+        private constructor FooImpl()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public interface IFoo {
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public final annotation class JvmInline : kotlin.Annotation {
+        public constructor JvmInline()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class Test1 : kotlin.IFoo {
+        public constructor Test1(/*0*/ x: kotlin.Any)
+        public final val x: kotlin.Any
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class Test2 : kotlin.IFoo {
+        public constructor Test2(/*0*/ x: kotlin.IFoo)
+        public final val x: kotlin.IFoo
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+}

compiler/testData/diagnostics/tests/valueClasses/valueClassConstructorParameterWithDefaultValue.kt

@@ -0,0 +1,9 @@
+// FIR_IDENTICAL
+// !LANGUAGE: +InlineClasses
+
+package kotlin
+
+annotation class JvmInline
+
+@JvmInline
+value class Test(val x: Int = 42)

compiler/testData/diagnostics/tests/valueClasses/valueClassConstructorParameterWithDefaultValue.txt

@@ -0,0 +1,19 @@
+package
+
+package kotlin {
+
+    public final annotation class JvmInline : kotlin.Annotation {
+        public constructor JvmInline()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class Test {
+        public constructor Test(/*0*/ x: kotlin.Int = ...)
+        public final val x: kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+}

compiler/testData/diagnostics/tests/valueClasses/valueClassDeclarationCheck.fir.kt

@@ -0,0 +1,51 @@
+// !LANGUAGE: +InlineClasses
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+package kotlin
+
+annotation class JvmInline
+
+@JvmInline
+value class A0(val x: Int)
+
+@JvmInline
+value class A1
+@JvmInline
+value class A2()
+@JvmInline
+value class A3(x: Int)
+@JvmInline
+value class A4(var x: Int)
+@JvmInline
+value class A5(val x: Int, val y: Int)
+@JvmInline
+value class A6(x: Int, val y: Int)
+@JvmInline
+value class A7(vararg val x: Int)
+@JvmInline
+value class A8(open val x: Int)
+@JvmInline
+value class A9(final val x: Int)
+
+class B1 {
+    companion object {
+        @JvmInline
+        value class C1(val x: Int)
+    }
+
+    @JvmInline
+    value class C2(val x: Int)
+}
+
+object B2 {
+    @JvmInline
+    value class C3(val x: Int)
+}
+
+@JvmInline
+final value class D0(val x: Int)
+open value class D1(val x: Int)
+abstract value class D2(val x: Int)
+sealed value class D3(val x: Int)
+
+<!INCOMPATIBLE_MODIFIERS!>value<!> <!INCOMPATIBLE_MODIFIERS!>data<!> class D4(val x: String)

compiler/testData/diagnostics/tests/valueClasses/valueClassDeclarationCheck.kt

@@ -0,0 +1,51 @@
+// !LANGUAGE: +InlineClasses
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+package kotlin
+
+annotation class JvmInline
+
+@JvmInline
+value class A0(val x: Int)
+
+@JvmInline
+<!ABSENCE_OF_PRIMARY_CONSTRUCTOR_FOR_INLINE_CLASS!>value<!> class A1
+@JvmInline
+value class A2<!INLINE_CLASS_CONSTRUCTOR_WRONG_PARAMETERS_SIZE!>()<!>
+@JvmInline
+value class A3(<!INLINE_CLASS_CONSTRUCTOR_NOT_FINAL_READ_ONLY_PARAMETER!>x: Int<!>)
+@JvmInline
+value class A4(<!INLINE_CLASS_CONSTRUCTOR_NOT_FINAL_READ_ONLY_PARAMETER!>var x: Int<!>)
+@JvmInline
+value class A5<!INLINE_CLASS_CONSTRUCTOR_WRONG_PARAMETERS_SIZE!>(val x: Int, val y: Int)<!>
+@JvmInline
+value class A6<!INLINE_CLASS_CONSTRUCTOR_WRONG_PARAMETERS_SIZE!>(x: Int, val y: Int)<!>
+@JvmInline
+value class A7(<!INLINE_CLASS_CONSTRUCTOR_NOT_FINAL_READ_ONLY_PARAMETER!>vararg val x: Int<!>)
+@JvmInline
+value class A8(<!INLINE_CLASS_CONSTRUCTOR_NOT_FINAL_READ_ONLY_PARAMETER!><!NON_FINAL_MEMBER_IN_FINAL_CLASS!>open<!> val x: Int<!>)
+@JvmInline
+value class A9(final val x: Int)
+
+class B1 {
+    companion object {
+        @JvmInline
+        <!INLINE_CLASS_NOT_TOP_LEVEL!>value<!> class C1(val x: Int)
+    }
+
+    @JvmInline
+    <!INLINE_CLASS_NOT_TOP_LEVEL!>value<!> class C2(val x: Int)
+}
+
+object B2 {
+    @JvmInline
+    <!INLINE_CLASS_NOT_TOP_LEVEL!>value<!> class C3(val x: Int)
+}
+
+@JvmInline
+final value class D0(val x: Int)
+<!INLINE_CLASS_NOT_FINAL!>open<!> value class D1(val x: Int)
+<!INLINE_CLASS_NOT_FINAL!>abstract<!> value class D2(val x: Int)
+<!INLINE_CLASS_NOT_FINAL!>sealed<!> value class D3(val x: Int)
+
+<!INCOMPATIBLE_MODIFIERS, VALUE_CLASS_WITHOUT_JVM_INLINE_ANNOTATION!>value<!> <!INCOMPATIBLE_MODIFIERS!>data<!> class D4(val x: String)

compiler/testData/diagnostics/tests/valueClasses/valueClassDeclarationCheck.txt

@@ -0,0 +1,176 @@
+package
+
+package kotlin {
+
+    @kotlin.JvmInline public final value class A0 {
+        public constructor A0(/*0*/ x: kotlin.Int)
+        public final val x: kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class A1 {
+        public constructor A1()
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class A2 {
+        public constructor A2()
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class A3 {
+        public constructor A3(/*0*/ x: kotlin.Int)
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class A4 {
+        public constructor A4(/*0*/ x: kotlin.Int)
+        public final var x: kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class A5 {
+        public constructor A5(/*0*/ x: kotlin.Int, /*1*/ y: kotlin.Int)
+        public final val x: kotlin.Int
+        public final val y: kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class A6 {
+        public constructor A6(/*0*/ x: kotlin.Int, /*1*/ y: kotlin.Int)
+        public final val y: kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class A7 {
+        public constructor A7(/*0*/ vararg x: kotlin.Int /*kotlin.IntArray*/)
+        public final val x: kotlin.IntArray
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class A8 {
+        public constructor A8(/*0*/ x: kotlin.Int)
+        public open val x: kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class A9 {
+        public constructor A9(/*0*/ x: kotlin.Int)
+        public final val x: kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    public final class B1 {
+        public constructor B1()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+        @kotlin.JvmInline public final value class C2 {
+            public constructor C2(/*0*/ x: kotlin.Int)
+            public final val x: kotlin.Int
+            public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+            public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+            public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+        }
+
+        public companion object Companion {
+            private constructor Companion()
+            public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+            public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+            public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+            @kotlin.JvmInline public final value class C1 {
+                public constructor C1(/*0*/ x: kotlin.Int)
+                public final val x: kotlin.Int
+                public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+                public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+                public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+            }
+        }
+    }
+
+    public object B2 {
+        private constructor B2()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+        @kotlin.JvmInline public final value class C3 {
+            public constructor C3(/*0*/ x: kotlin.Int)
+            public final val x: kotlin.Int
+            public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+            public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+            public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+        }
+    }
+
+    @kotlin.JvmInline public final value class D0 {
+        public constructor D0(/*0*/ x: kotlin.Int)
+        public final val x: kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    public open value class D1 {
+        public constructor D1(/*0*/ x: kotlin.Int)
+        public final val x: kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public abstract value class D2 {
+        public constructor D2(/*0*/ x: kotlin.Int)
+        public final val x: kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public sealed value class D3 {
+        private constructor D3(/*0*/ x: kotlin.Int)
+        public final val x: kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public final data value class D4 {
+        public constructor D4(/*0*/ x: kotlin.String)
+        public final val x: kotlin.String
+        public final operator /*synthesized*/ fun component1(): kotlin.String
+        public final /*synthesized*/ fun copy(/*0*/ x: kotlin.String = ...): kotlin.D4
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    public final annotation class JvmInline : kotlin.Annotation {
+        public constructor JvmInline()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+}

compiler/testData/diagnostics/tests/valueClasses/valueClassImplementsCollection.kt

@@ -0,0 +1,19 @@
+// FIR_IDENTICAL
+// !LANGUAGE: +InlineClasses
+
+package kotlin
+
+annotation class JvmInline
+
+@JvmInline
+value class UInt(val x: Int)
+
+@JvmInline
+value class UIntArray(private val storage: IntArray) : Collection<UInt> {
+    public override val size: Int get() = storage.size
+
+    override operator fun iterator() = TODO()
+    override fun contains(element: UInt): Boolean = TODO()
+    override fun containsAll(elements: Collection<UInt>): Boolean = TODO()
+    override fun isEmpty(): Boolean = TODO()
+}

compiler/testData/diagnostics/tests/valueClasses/valueClassImplementsCollection.txt

@@ -0,0 +1,32 @@
+package
+
+package kotlin {
+
+    public final annotation class JvmInline : kotlin.Annotation {
+        public constructor JvmInline()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class UInt {
+        public constructor UInt(/*0*/ x: kotlin.Int)
+        public final val x: kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class UIntArray : kotlin.collections.Collection<kotlin.UInt> {
+        public constructor UIntArray(/*0*/ storage: kotlin.IntArray)
+        public open override /*1*/ val size: kotlin.Int
+        private final val storage: kotlin.IntArray
+        public open override /*1*/ fun contains(/*0*/ element: kotlin.UInt): kotlin.Boolean
+        public open override /*1*/ fun containsAll(/*0*/ elements: kotlin.collections.Collection<kotlin.UInt>): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ fun isEmpty(): kotlin.Boolean
+        public open override /*1*/ fun iterator(): kotlin.Nothing
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+}

compiler/testData/diagnostics/tests/valueClasses/valueClassWithForbiddenUnderlyingType.fir.kt

@@ -0,0 +1,30 @@
+// !LANGUAGE: +InlineClasses
+
+package kotlin
+
+annotation class JvmInline
+
+@JvmInline
+value class Foo<T>(val x: T)
+@JvmInline
+value class FooNullable<T>(val x: T?)
+
+@JvmInline
+value class FooGenericArray<T>(val x: Array<T>)
+@JvmInline
+value class FooGenericArray2<T>(val x: Array<Array<T>>)
+
+@JvmInline
+value class FooStarProjectedArray(val x: Array<*>)
+@JvmInline
+value class FooStarProjectedArray2(val x: Array<Array<*>>)
+
+@JvmInline
+value class Bar(val u: Unit)
+@JvmInline
+value class BarNullable(val u: Unit?)
+
+@JvmInline
+value class Baz(val u: Nothing)
+@JvmInline
+value class BazNullable(val u: Nothing?)

compiler/testData/diagnostics/tests/valueClasses/valueClassWithForbiddenUnderlyingType.kt

@@ -0,0 +1,30 @@
+// !LANGUAGE: +InlineClasses
+
+package kotlin
+
+annotation class JvmInline
+
+@JvmInline
+value class Foo<T>(val x: <!INLINE_CLASS_HAS_INAPPLICABLE_PARAMETER_TYPE!>T<!>)
+@JvmInline
+value class FooNullable<T>(val x: <!INLINE_CLASS_HAS_INAPPLICABLE_PARAMETER_TYPE!>T?<!>)
+
+@JvmInline
+value class FooGenericArray<T>(val x: <!INLINE_CLASS_HAS_INAPPLICABLE_PARAMETER_TYPE!>Array<T><!>)
+@JvmInline
+value class FooGenericArray2<T>(val x: <!INLINE_CLASS_HAS_INAPPLICABLE_PARAMETER_TYPE!>Array<Array<T>><!>)
+
+@JvmInline
+value class FooStarProjectedArray(val x: Array<*>)
+@JvmInline
+value class FooStarProjectedArray2(val x: Array<Array<*>>)
+
+@JvmInline
+value class Bar(val u: <!INLINE_CLASS_HAS_INAPPLICABLE_PARAMETER_TYPE!>Unit<!>)
+@JvmInline
+value class BarNullable(val u: Unit?)
+
+@JvmInline
+value class Baz(val u: <!INLINE_CLASS_HAS_INAPPLICABLE_PARAMETER_TYPE!>Nothing<!>)
+@JvmInline
+value class BazNullable(val u: Nothing?)

compiler/testData/diagnostics/tests/valueClasses/valueClassWithForbiddenUnderlyingType.txt

@@ -0,0 +1,91 @@
+package
+
+package kotlin {
+
+    @kotlin.JvmInline public final value class Bar {
+        public constructor Bar(/*0*/ u: kotlin.Unit)
+        public final val u: kotlin.Unit
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class BarNullable {
+        public constructor BarNullable(/*0*/ u: kotlin.Unit?)
+        public final val u: kotlin.Unit?
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class Baz {
+        public constructor Baz(/*0*/ u: kotlin.Nothing)
+        public final val u: kotlin.Nothing
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class BazNullable {
+        public constructor BazNullable(/*0*/ u: kotlin.Nothing?)
+        public final val u: kotlin.Nothing?
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class Foo</*0*/ T> {
+        public constructor Foo</*0*/ T>(/*0*/ x: T)
+        public final val x: T
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class FooGenericArray</*0*/ T> {
+        public constructor FooGenericArray</*0*/ T>(/*0*/ x: kotlin.Array<T>)
+        public final val x: kotlin.Array<T>
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class FooGenericArray2</*0*/ T> {
+        public constructor FooGenericArray2</*0*/ T>(/*0*/ x: kotlin.Array<kotlin.Array<T>>)
+        public final val x: kotlin.Array<kotlin.Array<T>>
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class FooNullable</*0*/ T> {
+        public constructor FooNullable</*0*/ T>(/*0*/ x: T?)
+        public final val x: T?
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class FooStarProjectedArray {
+        public constructor FooStarProjectedArray(/*0*/ x: kotlin.Array<*>)
+        public final val x: kotlin.Array<*>
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class FooStarProjectedArray2 {
+        public constructor FooStarProjectedArray2(/*0*/ x: kotlin.Array<kotlin.Array<*>>)
+        public final val x: kotlin.Array<kotlin.Array<*>>
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    public final annotation class JvmInline : kotlin.Annotation {
+        public constructor JvmInline()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+}

compiler/testData/diagnostics/tests/valueClasses/valueClassesInsideAnnotations.fir.kt

@@ -0,0 +1,18 @@
+// !LANGUAGE: +InlineClasses
+
+package kotlin
+
+import kotlin.reflect.KClass
+
+annotation class JvmInline
+
+@JvmInline
+value class MyInt(val x: Int)
+@JvmInline
+value class MyString(val x: String)
+
+annotation class Ann1(val a: <!INVALID_TYPE_OF_ANNOTATION_MEMBER!>MyInt<!>)
+annotation class Ann2(val a: <!INVALID_TYPE_OF_ANNOTATION_MEMBER!>Array<MyString><!>)
+annotation class Ann3(vararg val a: <!INVALID_TYPE_OF_ANNOTATION_MEMBER!>MyInt<!>)
+
+annotation class Ann4(val a: KClass<MyInt>)

compiler/testData/diagnostics/tests/valueClasses/valueClassesInsideAnnotations.kt

@@ -0,0 +1,18 @@
+// !LANGUAGE: +InlineClasses
+
+package kotlin
+
+import kotlin.reflect.KClass
+
+annotation class JvmInline
+
+@JvmInline
+value class MyInt(val x: Int)
+@JvmInline
+value class MyString(val x: String)
+
+annotation class Ann1(val a: <!INVALID_TYPE_OF_ANNOTATION_MEMBER!>MyInt<!>)
+annotation class Ann2(val a: <!INVALID_TYPE_OF_ANNOTATION_MEMBER!>Array<MyString><!>)
+annotation class Ann3(<!FORBIDDEN_VARARG_PARAMETER_TYPE!>vararg<!> val a: <!INVALID_TYPE_OF_ANNOTATION_MEMBER!>MyInt<!>)
+
+annotation class Ann4(val a: KClass<MyInt>)

compiler/testData/diagnostics/tests/valueClasses/valueClassesInsideAnnotations.txt

@@ -0,0 +1,59 @@
+package
+
+package kotlin {
+
+    public final annotation class Ann1 : kotlin.Annotation {
+        public constructor Ann1(/*0*/ a: kotlin.MyInt)
+        public final val a: kotlin.MyInt
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public final annotation class Ann2 : kotlin.Annotation {
+        public constructor Ann2(/*0*/ a: kotlin.Array<kotlin.MyString>)
+        public final val a: kotlin.Array<kotlin.MyString>
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public final annotation class Ann3 : kotlin.Annotation {
+        public constructor Ann3(/*0*/ vararg a: kotlin.MyInt /*kotlin.Array<out kotlin.MyInt>*/)
+        public final val a: kotlin.Array<out kotlin.MyInt>
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public final annotation class Ann4 : kotlin.Annotation {
+        public constructor Ann4(/*0*/ a: kotlin.reflect.KClass<kotlin.MyInt>)
+        public final val a: kotlin.reflect.KClass<kotlin.MyInt>
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public final annotation class JvmInline : kotlin.Annotation {
+        public constructor JvmInline()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class MyInt {
+        public constructor MyInt(/*0*/ x: kotlin.Int)
+        public final val x: kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class MyString {
+        public constructor MyString(/*0*/ x: kotlin.String)
+        public final val x: kotlin.String
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+}

compiler/testData/diagnostics/tests/valueClasses/varargsOnParametersOfValueClassType.fir.kt

@@ -0,0 +1,26 @@
+// !LANGUAGE: +InlineClasses
+// !DIAGNOSTICS: -UNUSED_PARAMETER, -UNUSED_VARIABLE, -UNUSED_ANONYMOUS_PARAMETER
+
+package kotlin
+
+annotation class JvmInline
+
+@JvmInline
+value class Foo(val x: Int)
+
+fun f1(vararg a: Foo) {}
+fun f2(vararg a: Foo?) {}
+
+class A {
+    fun f3(a0: Int, vararg a1: Foo) {
+        fun f4(vararg a: Foo) {}
+
+        val g = fun (vararg v: Foo) {}
+    }
+}
+
+class B(vararg val s: Foo) {
+    constructor(a: Int, vararg s: Foo) : this(*s)
+}
+
+annotation class Ann(vararg val f: <!INVALID_TYPE_OF_ANNOTATION_MEMBER!>Foo<!>)

compiler/testData/diagnostics/tests/valueClasses/varargsOnParametersOfValueClassType.kt

@@ -0,0 +1,26 @@
+// !LANGUAGE: +InlineClasses
+// !DIAGNOSTICS: -UNUSED_PARAMETER, -UNUSED_VARIABLE, -UNUSED_ANONYMOUS_PARAMETER
+
+package kotlin
+
+annotation class JvmInline
+
+@JvmInline
+value class Foo(val x: Int)
+
+fun f1(<!FORBIDDEN_VARARG_PARAMETER_TYPE!>vararg<!> a: Foo) {}
+fun f2(<!FORBIDDEN_VARARG_PARAMETER_TYPE!>vararg<!> a: Foo?) {}
+
+class A {
+    fun f3(a0: Int, <!FORBIDDEN_VARARG_PARAMETER_TYPE!>vararg<!> a1: Foo) {
+        fun f4(<!FORBIDDEN_VARARG_PARAMETER_TYPE!>vararg<!> a: Foo) {}
+
+        val g = fun (<!USELESS_VARARG_ON_PARAMETER!><!FORBIDDEN_VARARG_PARAMETER_TYPE!>vararg<!> v: Foo<!>) {}
+    }
+}
+
+class B(<!FORBIDDEN_VARARG_PARAMETER_TYPE!>vararg<!> val s: Foo) {
+    constructor(a: Int, <!FORBIDDEN_VARARG_PARAMETER_TYPE!>vararg<!> s: Foo) : this(*s)
+}
+
+annotation class Ann(<!FORBIDDEN_VARARG_PARAMETER_TYPE!>vararg<!> val f: <!INVALID_TYPE_OF_ANNOTATION_MEMBER!>Foo<!>)

compiler/testData/diagnostics/tests/valueClasses/varargsOnParametersOfValueClassType.txt

@@ -0,0 +1,46 @@
+package
+
+package kotlin {
+    public fun f1(/*0*/ vararg a: kotlin.Foo /*kotlin.Array<out kotlin.Foo>*/): kotlin.Unit
+    public fun f2(/*0*/ vararg a: kotlin.Foo? /*kotlin.Array<out kotlin.Foo?>*/): kotlin.Unit
+
+    public final class A {
+        public constructor A()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public final fun f3(/*0*/ a0: kotlin.Int, /*1*/ vararg a1: kotlin.Foo /*kotlin.Array<out kotlin.Foo>*/): kotlin.Unit
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public final annotation class Ann : kotlin.Annotation {
+        public constructor Ann(/*0*/ vararg f: kotlin.Foo /*kotlin.Array<out kotlin.Foo>*/)
+        public final val f: kotlin.Array<out kotlin.Foo>
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    public final class B {
+        public constructor B(/*0*/ vararg s: kotlin.Foo /*kotlin.Array<out kotlin.Foo>*/)
+        public constructor B(/*0*/ a: kotlin.Int, /*1*/ vararg s: kotlin.Foo /*kotlin.Array<out kotlin.Foo>*/)
+        public final val s: kotlin.Array<out kotlin.Foo>
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    @kotlin.JvmInline public final value class Foo {
+        public constructor Foo(/*0*/ x: kotlin.Int)
+        public final val x: kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*synthesized*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
+    }
+
+    public final annotation class JvmInline : kotlin.Annotation {
+        public constructor JvmInline()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+}