diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/cpp/trad/redef2.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/cpp/trad/redef2.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/cpp/trad/redef2.c b/gcc/testsuite/gcc.dg/cpp/trad/redef2.c new file mode 100644 index 000000000..5fcd5eb32 --- /dev/null +++ b/gcc/testsuite/gcc.dg/cpp/trad/redef2.c @@ -0,0 +1,32 @@ +/* Test for redefining traditional macros with significant differences. */ + +/* { dg-do preprocess } */ + +#define foo bar /* { dg-message "previous def" "foo prev def" } */ +#define foo barr /* { dg-warning "redefined" "foo redefined" } */ + +#undef foo +#define foo bar /* { dg-message "previous def" "foo prev def 2" } */ +#define foo() bar /* { dg-warning "redefined" "foo redefined 2" } */ + +#undef foo +#define foo() bar /* { dg-message "previous def" "foo prev def" } */ +#define foo() barr /* { dg-warning "redefined" "foo redefined" } */ + +#define quux(thud) a thud b /* { dg-message "previous def" "quux prev def" } */ +#define quux(thu) a thud b /* { dg-warning "redefined" "quux redefined" } */ + +#define bar(x, y) x+y /* { dg-message "previous def" "bar prev def" } */ +#define bar(x, y) x+x /* { dg-warning "redefined" "bar redefined" } */ + +#define bat(x, y) x+y /* { dg-message "previous def" "bat prev def" } */ +#define bat(x, y) x+ y /* { dg-warning "redefined" "bat redefined" } */ + +#define baz(x, y) x+y /* { dg-message "previous def" "baz prev def" } */ +#define baz(x, y) x +y /* { dg-warning "redefined" "baz redefined" } */ + +#define f(x, y) "x y" /* { dg-message "previous def" "f prev def" } */ +#define f(x, y) "x y" /* { dg-warning "redefined" "f redefined" } */ + +#define g(x, y) 'x' /* { dg-message "previous def" "g prev def" } */ +#define g(x, y) ' x' /* { dg-warning "redefined" "g redefined" } */ |