llvm-project/clang/test/SemaObjC/method-warn-unused-attribute.m

17 lines
660 B
Objective-C

// 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}}
}