1// RUN: %clang_cc1 -fsyntax-only -Wunused-parameter -verify -Wno-objc-root-class %s 2 3// -Wunused-parameter ignores ObjC method parameters that are unused. 4 5// expected-no-diagnostics 6 7@interface INTF 8- (void) correct_use_of_unused: (void *) notice : (id)another_arg; 9- (void) will_warn_unused_arg: (void *) notice : (id)warn_unused; 10- (void) unused_attr_on_decl_ignored: (void *) __attribute__((unused)) will_warn; 11@end 12 13@implementation INTF 14- (void) correct_use_of_unused: (void *) __attribute__((unused)) notice : (id) __attribute__((unused)) newarg{ 15} 16- (void) will_warn_unused_arg: (void *) __attribute__((unused)) notice : (id)warn_unused {} 17- (void) unused_attr_on_decl_ignored: (void *) will_warn{} 18@end 19 20