| /* Test warnings and errors for incomplete parameter types. Should |
| not be warned for in declarations that are not definitions: bug |
| 17881. Void types may be a special case, especially for unnamed |
| parameters and when qualified or with a storage class specifier; |
| see C90 6.5.4.3, DR#017 Q14, C90 TC1, DR#157, C99 J.2 (referencing |
| C99 6.7.5.3); the precise rules are unclear. */ |
| /* Origin: Joseph Myers <jsm@polyomino.org.uk> */ |
| /* { dg-do compile } */ |
| /* { dg-options "" } */ |
| |
| struct s; |
| void f (struct s); |
| void (*g)(struct s); |
| struct t { void (*p)(struct s); }; |
| |
| struct s { int b; }; |
| void h (struct s x) { } |
| |
| void j(struct t2); /* { dg-warning "'struct t2' declared inside parameter list" } */ |
| |
| union u; |
| |
| void v(union u x) { } /* { dg-error "parameter 1 \\('x'\\) has incomplete type" } */ |
| |
| void p(void x); /* { dg-warning "parameter 1 \\('x'\\) has void type" } */ |
| |
| void q(const void x); /* { dg-warning "parameter 1 \\('x'\\) has void type" } */ |
