clang/test/Preprocessor/macro_redefined.c

   1 // RUN: %clang_cc1 %s -Eonly -verify -Wno-all -Wmacro-redefined -DCLI_MACRO=1 -DWMACRO_REDEFINED
   2 // RUN: %clang_cc1 %s -Eonly -verify -Wno-all -Wno-macro-redefined -DCLI_MACRO=1
   3
   4 #ifndef WMACRO_REDEFINED
   5 // expected-no-diagnostics
   6 #endif
   7
   8 #ifdef WMACRO_REDEFINED
   9 // expected-note@1 {{previous definition is here}}
  10 // expected-warning@+2 {{macro redefined}}
  11 #endif
  12 #define CLI_MACRO
  13
  14 #ifdef WMACRO_REDEFINED
  15 // expected-note@+3 {{previous definition is here}}
  16 // expected-warning@+3 {{macro redefined}}
  17 #endif
  18 #define REGULAR_MACRO
  19 #define REGULAR_MACRO 1