1 files changed, 39 insertions, 0 deletions
diff --git a/clang/test/SemaObjC/class-property-inheritance.m b/clang/test/SemaObjC/class-property-inheritance.m
new file mode 100644
index 000000000000..9d8a4fe44053
--- /dev/null
+++ b/clang/test/SemaObjC/class-property-inheritance.m
@@ -0,0 +1,39 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+@class MyObject;
+
+
+@interface TopClassWithClassProperty0
+@property(nullable, readonly, strong, class) MyObject *foo;
+@end
+
+@interface SubClassWithClassProperty0 : TopClassWithClassProperty0
+@property(nonnull, readonly, copy, class) MyObject *foo; // expected-warning {{'copy' attribute on property 'foo' does not match the property inherited from 'TopClassWithClassProperty0'}}
+@end
+
+
+
+@interface TopClassWithInstanceProperty1
+@property(nullable, readonly, strong) MyObject *foo;
+@end
+
+@interface ClassWithClassProperty1 : TopClassWithInstanceProperty1
+@property(nonnull, readonly, copy, class) MyObject *foo; // no-warning
+@end
+
+@interface SubClassWithInstanceProperty1 : ClassWithClassProperty1
+@property(nullable, readonly, copy) MyObject *foo; // expected-warning {{'copy' attribute on property 'foo' does not match the property inherited from 'TopClassWithInstanceProperty1'}}
+@end
+
+
+@interface TopClassWithClassProperty2
+@property(nullable, readonly, strong, class) MyObject *foo;
+@end
+
+@interface ClassWithInstanceProperty2 : TopClassWithClassProperty2
+@property(nonnull, readonly, copy) MyObject *foo; // no-warning
+@end
+
+@interface SubClassWithClassProperty2 : ClassWithInstanceProperty2
+@property(nonnull, readonly, copy, class) MyObject *foo; // expected-warning {{'copy' attribute on property 'foo' does not match the property inherited from 'TopClassWithClassProperty2'}}
+@end