clang/test/Modules/macro-masking.cpp

   1 // RUN: rm -rf %t
   2 // RUN: %clang_cc1 -fsyntax-only -fmodules -fimplicit-module-maps %s -fmodules-cache-path=%t -verify -I%S/Inputs/macro-masking
   3 // RxN: %clang_cc1 -fsyntax-only -fmodules -fimplicit-module-maps -fmodules-local-submodule-visibility %s -fmodules-cache-path=%t -verify -I%S/Inputs/macro-masking -DLOCAL_VISIBILITY
   4 // expected-no-diagnostics
   5
   6 #include "a.h"
   7
   8 #ifdef LOCAL_VISIBILITY
   9 # ifndef MACRO
  10 #  error should still be defined, undef does not override define
  11 # endif
  12 #else
  13 # ifdef MACRO
  14 #  error should have been undefined!
  15 # endif
  16 #endif