diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/cpp-redef-2.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/cpp-redef-2.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/cpp-redef-2.c b/gcc/testsuite/gcc.dg/cpp-redef-2.c new file mode 100644 index 00000000000..8d34ddfa05d --- /dev/null +++ b/gcc/testsuite/gcc.dg/cpp-redef-2.c @@ -0,0 +1,27 @@ +/* Test for redefining macros with significant differences. */ + +/* { dg-do preprocess } + { dg-options "-pedantic -Wall" } */ + +#define mac(a, b) (a) + (b) +#define mac(a, b) (a) * (b) +#define mac(a, b) (a) * (x) + +#define ro(x) foo x bar +#define ro(x, b) foo x bar + +#define va(a...) a +#define va(...) __VA_ARGS__ + +/* { dg-warning "redefined" "redef mac" { target *-*-* } 7 } + { dg-warning "redefined" "redef mac" { target *-*-* } 8 } + { dg-warning "redefined" "redef ro" { target *-*-* } 11 } + { dg-warning "redefined" "redef va" { target *-*-* } 14 } + + { dg-warning "previous" "prev def mac" { target *-*-* } 6 } + { dg-warning "previous" "prev def mac" { target *-*-* } 7 } + { dg-warning "previous" "prev def ro" { target *-*-* } 10 } + { dg-warning "previous" "prev def va" { target *-*-* } 13 } + + { dg-warning "varargs" "named varargs" { target *-*-* } 13 } + { dg-warning "varargs" "anon varargs" { target *-*-* } 14 } */ |
