llvm-project/clang/test/Preprocessor/warn-macro-unused.c

15 lines
330 B
C

// RUN: %clang_cc1 %s -Wunused-macros -Dfoo -Dfoo -verify
#include "warn-macro-unused.h"
# 1 "warn-macro-unused-fake-header.h" 1
#define unused_from_fake_header
# 5 "warn-macro-unused.c" 2
#define unused // expected-warning {{macro is not used}}
#define unused
unused
// rdar://9745065
#undef unused_from_header // no warning