1*f4a2713aSLionel Sambuc// RUN: %clang_cc1 -fsyntax-only -Wunused-value -verify %s 2*f4a2713aSLionel Sambuc 3*f4a2713aSLionel Sambuc@interface INTF 4*f4a2713aSLionel Sambuc- (id) foo __attribute__((warn_unused_result)); 5*f4a2713aSLionel Sambuc- (void) garf __attribute__((warn_unused_result)); // expected-warning {{attribute 'warn_unused_result' cannot be applied to Objective-C method without return value}} 6*f4a2713aSLionel Sambuc- (int) fee __attribute__((warn_unused_result)); 7*f4a2713aSLionel Sambuc+ (int) c __attribute__((warn_unused_result)); 8*f4a2713aSLionel Sambuc@end 9*f4a2713aSLionel Sambuc 10*f4a2713aSLionel Sambucvoid foo(INTF *a) { 11*f4a2713aSLionel Sambuc [a garf]; 12*f4a2713aSLionel Sambuc [a fee]; // expected-warning {{ignoring return value of function declared with warn_unused_result attribute}} 13*f4a2713aSLionel Sambuc [INTF c]; // expected-warning {{ignoring return value of function declared with warn_unused_result attribute}} 14*f4a2713aSLionel Sambuc} 15*f4a2713aSLionel Sambuc 16*f4a2713aSLionel Sambuc 17