diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/cpp/macro11.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/cpp/macro11.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/cpp/macro11.c b/gcc-4.9/gcc/testsuite/gcc.dg/cpp/macro11.c new file mode 100644 index 000000000..b131223b9 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/cpp/macro11.c @@ -0,0 +1,16 @@ +/* Copyright (C) 2001 Free Software Foundation, Inc. */ + +/* { dg-do preprocess } */ + +/* Source: Neil Booth, 2 Oct 2001. + + Tests that we clear the disabled flag that is set by the + macro-defined-to-itself optimization (the optimization might not be + worth it). */ + +#define foo foo +#undef foo +#define foo 1 +#if !foo +#error foo still disabled! +#endif |