Value classes: Report lacking @JvmInline only on JVM backend

Report when @JvmInline is applied on non-value class.

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

@@ -7,7 +7,7 @@ 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
+<!VALUE_CLASS_WITHOUT_JVM_INLINE_ANNOTATION, WRONG_MODIFIER_TARGET!>value<!> interface InlineInterface
+<!VALUE_CLASS_WITHOUT_JVM_INLINE_ANNOTATION, WRONG_MODIFIER_TARGET!>value<!> annotation class InlineAnn
+<!VALUE_CLASS_WITHOUT_JVM_INLINE_ANNOTATION, WRONG_MODIFIER_TARGET!>value<!> object InlineObject
+<!VALUE_CLASS_WITHOUT_JVM_INLINE_ANNOTATION, WRONG_MODIFIER_TARGET!>value<!> enum class InlineEnum

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

@@ -12,9 +12,9 @@ package kotlin {
 
     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 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 enum class InlineEnum : kotlin.Enum<kotlin.InlineEnum> {
@@ -27,7 +27,7 @@ package kotlin {
         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
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
 
         // Static members
         public final /*synthesized*/ fun valueOf(/*0*/ value: kotlin.String): kotlin.InlineEnum
@@ -35,16 +35,16 @@ package kotlin {
     }
 
     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 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 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 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 {

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

@@ -7,9 +7,9 @@ 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
+<!VALUE_CLASS_WITHOUT_JVM_INLINE_ANNOTATION, WRONG_MODIFIER_TARGET!>value<!> annotation class InlineAnn
+<!VALUE_CLASS_WITHOUT_JVM_INLINE_ANNOTATION, WRONG_MODIFIER_TARGET!>value<!> object InlineObject
+<!VALUE_CLASS_WITHOUT_JVM_INLINE_ANNOTATION, 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

@@ -5,16 +5,16 @@ 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 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 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 enum class InlineEnum : kotlin.Enum<kotlin.InlineEnum> {
@@ -27,7 +27,7 @@ package kotlin {
         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
+        public open override /*1*/ /*synthesized*/ fun toString(): kotlin.String
 
         // Static members
         public final /*synthesized*/ fun valueOf(/*0*/ value: kotlin.String): kotlin.InlineEnum
@@ -36,9 +36,9 @@ package kotlin {
 
     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 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 {

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

@@ -0,0 +1,23 @@
+// !LANGUAGE: +InlineClasses
+
+package kotlin
+
+annotation class JvmInline
+
+@JvmInline
+inline class IC(val a: Any)
+
+@JvmInline
+value class VC(val a: Any)
+
+@JvmInline
+class C
+
+@JvmInline
+interface I
+
+@JvmInline
+object O
+
+@JvmInline
+data class DC(val a: Any)

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

@@ -0,0 +1,23 @@
+// !LANGUAGE: +InlineClasses
+
+package kotlin
+
+annotation class JvmInline
+
+<!JVM_INLINE_WITHOUT_VALUE_CLASS!>@JvmInline<!>
+inline class IC(val a: Any)
+
+@JvmInline
+value class VC(val a: Any)
+
+<!JVM_INLINE_WITHOUT_VALUE_CLASS!>@JvmInline<!>
+class C
+
+<!JVM_INLINE_WITHOUT_VALUE_CLASS!>@JvmInline<!>
+interface I
+
+<!JVM_INLINE_WITHOUT_VALUE_CLASS!>@JvmInline<!>
+object O
+
+<!JVM_INLINE_WITHOUT_VALUE_CLASS!>@JvmInline<!>
+data class DC(val a: Any)

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

@@ -0,0 +1,57 @@
+package
+
+package kotlin {
+
+    @kotlin.JvmInline public final class C {
+        public constructor C()
+        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 data class DC {
+        public constructor DC(/*0*/ a: kotlin.Any)
+        public final val a: kotlin.Any
+        public final operator /*synthesized*/ fun component1(): kotlin.Any
+        public final /*synthesized*/ fun copy(/*0*/ a: kotlin.Any = ...): kotlin.DC
+        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 interface I {
+        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 inline class IC {
+        public constructor IC(/*0*/ a: kotlin.Any)
+        public final val a: 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
+    }
+
+    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 object O {
+        private constructor O()
+        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 VC {
+        public constructor VC(/*0*/ a: kotlin.Any)
+        public final val a: 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
+    }
+}

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

@@ -44,8 +44,8 @@ object B2 {
 
 @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)
+<!INLINE_CLASS_NOT_FINAL!>open<!> <!VALUE_CLASS_WITHOUT_JVM_INLINE_ANNOTATION!>value<!> class D1(val x: Int)
+<!INLINE_CLASS_NOT_FINAL!>abstract<!> <!VALUE_CLASS_WITHOUT_JVM_INLINE_ANNOTATION!>value<!> class D2(val x: Int)
+<!INLINE_CLASS_NOT_FINAL!>sealed<!> <!VALUE_CLASS_WITHOUT_JVM_INLINE_ANNOTATION!>value<!> class D3(val x: Int)
 
-<!INCOMPATIBLE_MODIFIERS, VALUE_CLASS_WITHOUT_JVM_INLINE_ANNOTATION!>value<!> <!INCOMPATIBLE_MODIFIERS!>data<!> class D4(val x: String)
+<!INCOMPATIBLE_MODIFIERS, VALUE_CLASS_WITHOUT_JVM_INLINE_ANNOTATION!>value<!> <!INCOMPATIBLE_MODIFIERS!>data<!> class <!CONFLICTING_JVM_DECLARATIONS, CONFLICTING_JVM_DECLARATIONS, CONFLICTING_JVM_DECLARATIONS!>D4(val x: String)<!>

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

@@ -136,25 +136,25 @@ package kotlin {
     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 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 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 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 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 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 data value class D4 {