| /* This test assumes -fbuiltin and not -fansi to get "index" and "memchr" builtin DECLs. */ |
| /* { dg-do compile } */ |
| /* { dg-options "" } */ |
| |
| /* The bug this is testing is that if a new decl conflicts with an |
| explicit decl, you don't get the "changes type of builtin" message, |
| but if there was *also* a builtin, you *also* don't get the "previous |
| declaration" message, leaving you with no clue where the previous |
| declaration came from. */ |
| |
| extern char foo(int,int); /* { dg-message "previous declaration of 'foo'" "note" } */ |
| extern char *index(const char *,int); /* { dg-message "previous declaration of 'index'" "note" } */ |
| |
| /* This changes the type of "index", which is both a builtin and an |
| explicit decl. */ |
| int index; /* { dg-error "redeclared as different kind of symbol" } */ |
| |
| /* This changes the type of "memchr", which is only a builtin. */ |
| int memchr; /* { dg-warning "built-in function 'memchr' declared as non-function" } */ |
| |
| /* This changes the type of "foo", which is only an explicit decl. */ |
| int foo; /* { dg-error "redeclared as different kind of symbol" } */ |
