Fixed fast type check for ObjC classes + test

backend.native/tests/framework/values/expectedLazy.h

@@ -983,6 +983,12 @@ __attribute__((swift_name("SharedRefs.MutableData")))
 @property int32_t x __attribute__((swift_name("x")));
 @end;
 
+__attribute__((swift_name("ClassForTypeCheck")))
+@interface ValuesClassForTypeCheck : KotlinBase
+- (instancetype)init __attribute__((swift_name("init()"))) __attribute__((objc_designated_initializer));
++ (instancetype)new __attribute__((availability(swift, unavailable, message="use object initializers instead")));
+@end;
+
 @interface ValuesEnumeration (ValuesKt)
 - (ValuesEnumeration *)getAnswer __attribute__((swift_name("getAnswer()")));
 @end;
@@ -1062,6 +1068,7 @@ __attribute__((swift_name("ValuesKt")))
 + (void)error __attribute__((swift_name("error()"))) __attribute__((unavailable("error")));
 + (void)warning __attribute__((swift_name("warning()"))) __attribute__((deprecated("warning")));
 + (void)gc __attribute__((swift_name("gc()")));
++ (BOOL)testClassTypeCheckX:(id)x __attribute__((swift_name("testClassTypeCheck(x:)")));
 @property (class, readonly) double dbl __attribute__((swift_name("dbl")));
 @property (class, readonly) float flt __attribute__((swift_name("flt")));
 @property (class, readonly) int32_t integer __attribute__((swift_name("integer")));

backend.native/tests/framework/values/values.kt

@@ -774,3 +774,7 @@ class SharedRefs {
 
     private val mustBeRemoved = mutableListOf<WeakReference<*>>()
 }
+
+open class ClassForTypeCheck
+
+fun testClassTypeCheck(x: Any) = x is ClassForTypeCheck

backend.native/tests/framework/values/values.swift

@@ -998,6 +998,12 @@ func testGH2931() throws {
     }
 }
 
+class ClassForTypeCheckInheritor : ClassForTypeCheck { }
+
+func testClassTypeCheck() throws {
+    try assertTrue(ValuesKt.testClassTypeCheck(x: ClassForTypeCheckInheritor()))
+}
+
 // -------- Execution of the test --------
 
 class ValuesTests : TestProvider {
@@ -1047,6 +1053,7 @@ class ValuesTests : TestProvider {
             TestCase(name: "TestDeprecation", method: withAutorelease(testDeprecation)),
             TestCase(name: "TestWeakRefs", method: withAutorelease(testWeakRefs)),
             TestCase(name: "TestSharedRefs", method: withAutorelease(TestSharedRefs().test)),
+            TestCase(name: "TestClassTypeCheck", method: withAutorelease(testClassTypeCheck)),
             TestCase(name: "TestGH2931", method: withAutorelease(testGH2931)),
         ]
     }

runtime/src/main/cpp/ObjCExport.mm

@@ -734,6 +734,8 @@ static const TypeInfo* createTypeInfo(
     result->flags_ |= TF_IMMUTABLE;
   }
 
+  result->classId_ = superType->classId_;
+
   KStdVector<const TypeInfo*> implementedInterfaces(
     superType->implementedInterfaces_, superType->implementedInterfaces_ + superType->implementedInterfacesCount_
   );