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