xref: /aosp_15_r20/external/clang/test/Preprocessor/warn-macro-unused.c (revision 67e74705e28f6214e480b399dd47ea732279e315) 
1*67e74705SXin Li // RUN: %clang_cc1 %s -Wunused-macros -Dfoo -Dfoo -verify
2*67e74705SXin Li 
3*67e74705SXin Li #include "warn-macro-unused.h"
4*67e74705SXin Li 
5*67e74705SXin Li # 1 "warn-macro-unused-fake-header.h" 1
6*67e74705SXin Li #define unused_from_fake_header
7*67e74705SXin Li # 5 "warn-macro-unused.c" 2
8*67e74705SXin Li 
9*67e74705SXin Li #define unused // expected-warning {{macro is not used}}
10*67e74705SXin Li #define unused
11*67e74705SXin Li unused
12*67e74705SXin Li 
13*67e74705SXin Li // rdar://9745065
14*67e74705SXin Li #undef unused_from_header // no warning
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