Vendor import of clang trunk r240225:

https://llvm.org/svn/llvm-project/cfe/trunk@240225

1 files changed, 15 insertions, 0 deletions

diff --git a/test/SemaObjC/override-nullability.m b/test/SemaObjC/override-nullability.m
new file mode 100644
index 0000000..8e29f91
--- /dev/null
+++ b/test/SemaObjC/override-nullability.m
@@ -0,0 +1,15 @@
+// RUN: %clang_cc1 -fobjc-arc -fobjc-runtime-has-weak -Wnonnull %s -verify
+//rdar://19211059
+
+@interface NSObject @end
+
+@interface Base : NSObject
+- (nonnull id)bad:(nullable id)obj; // expected-note 2 {{previous declaration is here}}
+- (nullable id)notAsBad:(nonnull id)obj;
+@end
+
+@interface Sub : Base
+- (nullable id)bad:(nonnull id)obj; // expected-warning {{conflicting nullability specifier on return types, 'nullable' conflicts with existing specifier 'nonnull'}} \
+                                    // expected-warning {{conflicting nullability specifier on parameter types, 'nonnull' conflicts with existing specifier 'nullable'}}
+- (nonnull id)notAsBad:(nullable id)obj;
+@end