1*67e74705SXin Li// RUN: %clang_cc1 -fsyntax-only -Wunused-parameter -verify -Wno-objc-root-class %s 2*67e74705SXin Li 3*67e74705SXin Li@interface INTF 4*67e74705SXin Li- (void) correct_use_of_unused: (void *) notice : (id)another_arg; 5*67e74705SXin Li- (void) will_warn_unused_arg: (void *) notice : (id)warn_unused; 6*67e74705SXin Li- (void) unused_attr_on_decl_ignored: (void *) __attribute__((unused)) will_warn; 7*67e74705SXin Li@end 8*67e74705SXin Li 9*67e74705SXin Li@implementation INTF 10*67e74705SXin Li- (void) correct_use_of_unused: (void *) __attribute__((unused)) notice : (id) __attribute__((unused)) newarg{ 11*67e74705SXin Li} 12*67e74705SXin Li- (void) will_warn_unused_arg: (void *) __attribute__((unused)) notice : (id)warn_unused {} // expected-warning {{unused parameter 'warn_unused'}} 13*67e74705SXin Li- (void) unused_attr_on_decl_ignored: (void *) will_warn{} // expected-warning {{unused parameter 'will_warn'}} 14*67e74705SXin Li@end 15*67e74705SXin Li 16