diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/cpp/vararg3.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/cpp/vararg3.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/cpp/vararg3.c b/gcc/testsuite/gcc.dg/cpp/vararg3.c new file mode 100644 index 000000000..b17afd89e --- /dev/null +++ b/gcc/testsuite/gcc.dg/cpp/vararg3.c @@ -0,0 +1,17 @@ +/* Copyright (C) 2002 Free Software Foundation, Inc. */ + +/* { dg-do preprocess } */ +/* { dg-options "-std=c99" } */ + +/* Source: Neil Booth, 6 Aug 2002. + + Tests that we DTRT with varargs commas for a single-parameter macro + when in standards-conforming mode. */ + +#define f(...) , ## __VA_ARGS__ + +/* The comma from f's expansion should be retained (standards + conforming mode only). Tests that it isn't in non-standards mode + include macro8.c and vararg1.c. */ +#if 2 f() 3 /* { dg-bogus "missing binary operator" } */ +#endif |