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