clang/test/Preprocessor/hardware_interference.cpp

   1 // RUN: %clang_cc1 -E -dM -D__GCC_CONSTRUCTIVE_SIZE=1000 -D__GCC_DESTRUCTIVE_SIZE=1001 %s -verify -Weverything | FileCheck %s
   2 // RUN: %clang_cc1 -D__GCC_CONSTRUCTIVE_SIZE=1000 -D__GCC_DESTRUCTIVE_SIZE=1001 %s -verify -Weverything
   3 // RUN: %clang_cc1 -E -dM -U__GCC_CONSTRUCTIVE_SIZE -U__GCC_DESTRUCTIVE_SIZE %s -verify -Weverything | FileCheck --check-prefix DISABLED %s
   4 // expected-no-diagnostics
   5
   6 // Validate that we can set a new value on the command line without issuing any
   7 // diagnostics and that we can disabled the macro on the command line without
   8 // issuing any diagnostics.
   9
  10 // CHECK: #define __GCC_CONSTRUCTIVE_SIZE 1000
  11 // CHECK: #define __GCC_DESTRUCTIVE_SIZE 1001
  12 // DISABLED-NOT: __GCC_CONSTRUCTIVE_SIZE
  13 // DISABLED-NOT: __GCC_DESTRUCTIVE_SIZE
  14
  15 int main() {
  16   return 0;
  17 }