| Shih-wei Liao | f8fd82b | 2010-02-10 11:10:31 -0800 | [diff] [blame^] | 1 | // RUN: %clang_cc1 %s -fsyntax-only -verify -pedantic |
| 2 | |
| 3 | typedef struct S S; // expected-note 3 {{forward declaration of 'struct S'}} |
| 4 | void a(S* b, void* c) { |
| 5 | void (*fp)(int) = 0; |
| 6 | b++; // expected-error {{arithmetic on pointer to incomplete type}} |
| 7 | b += 1; // expected-error {{arithmetic on pointer to incomplete type}} |
| 8 | c++; // expected-warning {{use of GNU void* extension}} |
| 9 | c += 1; // expected-warning {{use of GNU void* extension}} |
| 10 | c--; // expected-warning {{use of GNU void* extension}} |
| 11 | c -= 1; // expected-warning {{use of GNU void* extension}} |
| 12 | b = 1+b; // expected-error {{arithmetic on pointer to incomplete type}} |
| 13 | /* The next couple tests are only pedantic warnings in gcc */ |
| 14 | void (*d)(S*,void*) = a; |
| 15 | d += 1; // expected-warning {{arithmetic on pointer to function type 'void (*)(S *, void *)' is a GNU extension}} |
| 16 | d++; // expected-warning {{arithmetic on pointer to function type 'void (*)(S *, void *)' is a GNU extension}}} |
| 17 | d--; // expected-warning {{arithmetic on pointer to function type 'void (*)(S *, void *)' is a GNU extension}} |
| 18 | d -= 1; // expected-warning {{arithmetic on pointer to function type 'void (*)(S *, void *)' is a GNU extension}} |
| 19 | } |