diff options
Diffstat (limited to 'clang/test/SemaObjC/method-warn-unused-attribute.m')
| -rw-r--r-- | clang/test/SemaObjC/method-warn-unused-attribute.m | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/clang/test/SemaObjC/method-warn-unused-attribute.m b/clang/test/SemaObjC/method-warn-unused-attribute.m new file mode 100644 index 0000000..042f442 --- /dev/null +++ b/clang/test/SemaObjC/method-warn-unused-attribute.m @@ -0,0 +1,16 @@ +// RUN: %clang_cc1 -fsyntax-only -Wunused-value -verify %s + +@interface INTF +- (id) foo __attribute__((warn_unused_result)); +- (void) garf __attribute__((warn_unused_result)); // expected-warning {{attribute 'warn_unused_result' cannot be applied to Objective-C method without return value}} +- (int) fee __attribute__((warn_unused_result)); ++ (int) c __attribute__((warn_unused_result)); +@end + +void foo(INTF *a) { + [a garf]; + [a fee]; // expected-warning {{ignoring return value of function declared with warn_unused_result attribute}} + [INTF c]; // expected-warning {{ignoring return value of function declared with warn_unused_result attribute}} +} + + |