diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/cpp/skipping.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/cpp/skipping.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/cpp/skipping.c b/gcc-4.9/gcc/testsuite/gcc.dg/cpp/skipping.c new file mode 100644 index 000000000..b8daa890b --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/cpp/skipping.c @@ -0,0 +1,25 @@ +/* Copyright (C) 2000 Free Software Foundation, Inc. */ + +/* { dg-do preprocess } */ + +/* Tests expansion of macros whilst skipping false conditionals. */ + +/* Source: Neil Booth, 29 Oct 2000. */ + +#define F() +#define TRUE 1 + +#if 0 +F( /* No diagnostic: don't even try to expand it. */ +#endif + +#if 0 +#elif TRUE /* Expand this, even though we were skipping. */ +#else +#error Macros not expanded in #elif +#endif + +/* Check we don't warn about bad identifiers when skipping. */ +#if 0 +#define foo __VA_ARGS__ /* { dg-bogus "warned about identifier" } */ +#endif |