14 lines · c
1// RUN: %clang_cc1 %s -Wunused-macros -Dfoo -Dfoo -verify2 3#include "warn-macro-unused.h"4 5# 1 "warn-macro-unused-fake-header.h" 16#define unused_from_fake_header7# 5 "warn-macro-unused.c" 28 9#define unused // expected-warning {{macro is not used}}10#define unused11unused12 13#undef unused_from_header // no warning14