clang/test/Preprocessor/mi_opt2.c

   1 // RUN: %clang_cc1 -E %s | FileCheck %s
   2 // PR6282
   3 // This test should not trigger the include guard optimization since
   4 // the guard macro is defined on the first include.
   5
   6 #define ITERATING 1
   7 #define X 1
   8 #include "mi_opt2.h"
   9 #undef X
  10 #define X 2
  11 #include "mi_opt2.h"
  12
  13 // CHECK: b: 1
  14 // CHECK: b: 2
  15