Support KClass.defaultType

compiler/testData/codegen/boxWithStdlib/reflection/classes/defaultType.kt

@@ -0,0 +1,25 @@
+import kotlin.reflect.defaultType
+import kotlin.reflect.jvm.javaType
+import kotlin.test.assertEquals
+import kotlin.test.assertNotEquals
+
+class Simple
+class Generic<K, V> {
+    fun thiz() = this
+}
+
+fun simple() = Simple()
+fun genericIntString() = Generic<Int, String>()
+
+fun box(): String {
+    assertEquals(javaClass<Simple>(), Simple::class.defaultType.javaType)
+    assertEquals(::simple.returnType, Simple::class.defaultType)
+
+    assertEquals(javaClass<Generic<*, *>>(), Generic::class.defaultType.javaType)
+    assertEquals(Generic<*, *>::thiz.returnType, Generic::class.defaultType)
+
+    // Generic<Int, String> != Generic<K, V>
+    assertNotEquals(::genericIntString.returnType, Generic::class.defaultType)
+
+    return "OK"
+}

compiler/tests/org/jetbrains/kotlin/codegen/generated/BlackBoxWithStdlibCodegenTestGenerated.java

@@ -3012,6 +3012,12 @@ public class BlackBoxWithStdlibCodegenTestGenerated extends AbstractBlackBoxCode
                 doTestWithStdlib(fileName);
             }
 
+            @TestMetadata("defaultType.kt")
+            public void testDefaultType() throws Exception {
+                String fileName = JetTestUtils.navigationMetadata("compiler/testData/codegen/boxWithStdlib/reflection/classes/defaultType.kt");
+                doTestWithStdlib(fileName);
+            }
+
             @TestMetadata("jvmName.kt")
             public void testJvmName() throws Exception {
                 String fileName = JetTestUtils.navigationMetadata("compiler/testData/codegen/boxWithStdlib/reflection/classes/jvmName.kt");