Support @SinceKotlin annotation for type aliases.

compiler/testData/diagnostics/tests/sourceCompatibility/apiVersion/typealiasesAsConstructors.kt

@@ -0,0 +1,20 @@
+// !API_VERSION: 1.0
+
+@SinceKotlin("1.1")
+open class C1
+
+typealias C1_Alias = <!API_NOT_AVAILABLE!>C1<!>
+
+open class C2(val x: Int) {
+    @SinceKotlin("1.1")
+    constructor() : this(0)
+}
+
+typealias C2_Alias = C2
+
+val test1 = <!UNRESOLVED_REFERENCE!>C1_Alias<!>()
+val test2 = C2_Alias(<!NO_VALUE_FOR_PARAMETER!>)<!>
+
+class Test3 : <!UNRESOLVED_REFERENCE, API_NOT_AVAILABLE, DEBUG_INFO_UNRESOLVED_WITH_TARGET!>C1_Alias<!>()
+
+class Test4 : C2_Alias(<!NO_VALUE_FOR_PARAMETER!>)<!>

compiler/testData/diagnostics/tests/sourceCompatibility/apiVersion/typealiasesAsConstructors.txt

@@ -0,0 +1,37 @@
+package
+
+public val test1: [ERROR : Type for C1_Alias()]
+public val test2: C2
+
+@kotlin.SinceKotlin(version = "1.1") public open class C1 {
+    public constructor C1()
+    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 C2 {
+    @kotlin.SinceKotlin(version = "1.1") public constructor C2()
+    public constructor C2(/*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 class Test3 : C1_Alias /* = C1 */ {
+    public constructor Test3()
+    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 Test4 : C2_Alias /* = C2 */ {
+    public constructor Test4()
+    public final override /*1*/ /*fake_override*/ 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 typealias C1_Alias = C1
+public typealias C2_Alias = C2

compiler/testData/diagnostics/tests/sourceCompatibility/apiVersion/typealiasesAsObjects.kt

@@ -0,0 +1,11 @@
+// !API_VERSION: 1.0
+
+@SinceKotlin("1.1")
+object Since_1_1 {
+    val x = 42
+}
+
+typealias Since_1_1_Alias = <!API_NOT_AVAILABLE!>Since_1_1<!>
+
+val test1 = <!API_NOT_AVAILABLE!>Since_1_1_Alias<!>
+val test2 = <!API_NOT_AVAILABLE!>Since_1_1_Alias<!>.x

compiler/testData/diagnostics/tests/sourceCompatibility/apiVersion/typealiasesAsObjects.txt

@@ -0,0 +1,13 @@
+package
+
+public val test1: [ERROR : Type for Since_1_1_Alias]
+public val test2: kotlin.Int = 42
+
+@kotlin.SinceKotlin(version = "1.1") public object Since_1_1 {
+    private constructor Since_1_1()
+    public final val x: kotlin.Int = 42
+    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 typealias Since_1_1_Alias = Since_1_1

compiler/testData/diagnostics/tests/sourceCompatibility/apiVersion/typealiasesAsTypes.kt

@@ -0,0 +1,21 @@
+// !API_VERSION: 1.0
+
+@SinceKotlin("1.1")
+class Since_1_1
+
+class C
+
+typealias Since_1_1_Alias = <!API_NOT_AVAILABLE!>Since_1_1<!>
+
+typealias L = List<<!API_NOT_AVAILABLE!>Since_1_1<!>>
+
+@SinceKotlin("1.1")
+typealias C_1_1_Alias = C
+
+fun test1(x: <!API_NOT_AVAILABLE!>Since_1_1_Alias<!>) = x
+
+fun test2(x: <!API_NOT_AVAILABLE!>C_1_1_Alias<!>) = x
+
+fun test3(x: List<<!API_NOT_AVAILABLE!>C_1_1_Alias<!>>) = x
+
+fun test4(x: L) = x

compiler/testData/diagnostics/tests/sourceCompatibility/apiVersion/typealiasesAsTypes.txt

@@ -0,0 +1,23 @@
+package
+
+public fun test1(/*0*/ x: Since_1_1_Alias /* = Since_1_1 */): Since_1_1_Alias /* = Since_1_1 */
+public fun test2(/*0*/ x: C_1_1_Alias /* = C */): C_1_1_Alias /* = C */
+public fun test3(/*0*/ x: kotlin.collections.List<C_1_1_Alias /* = C */>): kotlin.collections.List<C_1_1_Alias /* = C */>
+public fun test4(/*0*/ x: L /* = kotlin.collections.List<Since_1_1> */): L /* = kotlin.collections.List<Since_1_1> */
+
+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.SinceKotlin(version = "1.1") public final class Since_1_1 {
+    public constructor Since_1_1()
+    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.SinceKotlin(version = "1.1") public typealias C_1_1_Alias = C
+public typealias L = kotlin.collections.List<Since_1_1>
+public typealias Since_1_1_Alias = Since_1_1

compiler/testData/diagnostics/tests/sourceCompatibility/apiVersion/typealiasesOnImport.kt

@@ -0,0 +1,18 @@
+// !API_VERSION: 1.0
+
+// FILE: a.kt
+package a
+
+@SinceKotlin("1.1")
+class Since_1_1
+
+typealias Since_1_1_Alias = <!API_NOT_AVAILABLE!>Since_1_1<!>
+
+@SinceKotlin("1.1")
+typealias Alias_1_1 = String
+
+// FILE: b.kt
+package b
+
+import a.<!API_NOT_AVAILABLE!>Since_1_1_Alias<!>
+import a.<!API_NOT_AVAILABLE!>Alias_1_1<!>

compiler/testData/diagnostics/tests/sourceCompatibility/apiVersion/typealiasesOnImport.txt

@@ -0,0 +1,16 @@
+package
+
+package a {
+
+    @kotlin.SinceKotlin(version = "1.1") public final class Since_1_1 {
+        public constructor Since_1_1()
+        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.SinceKotlin(version = "1.1") public typealias Alias_1_1 = kotlin.String
+    public typealias Since_1_1_Alias = a.Since_1_1
+}
+
+package b {
+}