Self-types marked as unsupported

compiler/testData/diagnostics/tests/SelfTypesUnsupported.kt

@@ -0,0 +1,8 @@
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+fun foo(f: <!UNSUPPORTED!>This<!>) {}
+
+trait C<T: C<<!UNSUPPORTED!>This<!>>> {
+    val x: <!UNSUPPORTED!>This<!>
+    val y: <!UNSUPPORTED!>This<!>?
+}

compiler/testData/diagnostics/tests/SelfTypesUnsupported.txt

@@ -0,0 +1,11 @@
+package
+
+internal fun foo(/*0*/ f: [ERROR : This]): kotlin.Unit
+
+internal trait C</*0*/ T : C<[ERROR : This]>> {
+    internal abstract val x: [ERROR : This]
+    internal abstract val y: [ERROR : This]?
+    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
+}