1*f4a2713aSLionel Sambuc// RUN: %clang_cc1 -fsyntax-only -Wunused-parameter -verify -Wno-objc-root-class %s 2*f4a2713aSLionel Sambuc 3*f4a2713aSLionel Sambuc@interface INTF 4*f4a2713aSLionel Sambuc- (void) correct_use_of_unused: (void *) notice : (id)another_arg; 5*f4a2713aSLionel Sambuc- (void) will_warn_unused_arg: (void *) notice : (id)warn_unused; 6*f4a2713aSLionel Sambuc- (void) unused_attr_on_decl_ignored: (void *) __attribute__((unused)) will_warn; 7*f4a2713aSLionel Sambuc@end 8*f4a2713aSLionel Sambuc 9*f4a2713aSLionel Sambuc@implementation INTF 10*f4a2713aSLionel Sambuc- (void) correct_use_of_unused: (void *) __attribute__((unused)) notice : (id) __attribute__((unused)) newarg{ 11*f4a2713aSLionel Sambuc} 12*f4a2713aSLionel Sambuc- (void) will_warn_unused_arg: (void *) __attribute__((unused)) notice : (id)warn_unused {} // expected-warning {{unused parameter 'warn_unused'}} 13*f4a2713aSLionel Sambuc- (void) unused_attr_on_decl_ignored: (void *) will_warn{} // expected-warning {{unused parameter 'will_warn'}} 14*f4a2713aSLionel Sambuc@end 15*f4a2713aSLionel Sambuc 16