| Daniel Dunbar | 8fbe78f | 2009-12-15 20:14:24 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 %s -fsyntax-only -verify -pedantic |
| Eli Friedman | 8e12298 | 2008-05-18 18:08:51 +0000 | [diff] [blame] | 2 | |
| Sebastian Redl | 2175b6a | 2009-02-07 19:52:04 +0000 | [diff] [blame] | 3 | typedef struct S S; // expected-note 3 {{forward declaration of 'struct S'}} |
| Eli Friedman | 8e12298 | 2008-05-18 18:08:51 +0000 | [diff] [blame] | 4 | void a(S* b, void* c) { |
| Douglas Gregor | f6cd928 | 2009-01-23 00:36:41 +0000 | [diff] [blame] | 5 | void (*fp)(int) = 0; |
| Eli Friedman | 8e12298 | 2008-05-18 18:08:51 +0000 | [diff] [blame] | 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}} |
| Douglas Gregor | f6cd928 | 2009-01-23 00:36:41 +0000 | [diff] [blame] | 10 | c--; // expected-warning {{use of GNU void* extension}} |
| 11 | c -= 1; // expected-warning {{use of GNU void* extension}} |
| Abramo Bagnara | 3aabb4b | 2010-09-13 06:50:07 +0000 | [diff] [blame] | 12 | (void) c[1]; // expected-warning {{use of GNU void* extension}} |
| Eli Friedman | 8e12298 | 2008-05-18 18:08:51 +0000 | [diff] [blame] | 13 | b = 1+b; // expected-error {{arithmetic on pointer to incomplete type}} |
| 14 | /* The next couple tests are only pedantic warnings in gcc */ |
| 15 | void (*d)(S*,void*) = a; |
| Douglas Gregor | f6cd928 | 2009-01-23 00:36:41 +0000 | [diff] [blame] | 16 | d += 1; // 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--; // expected-warning {{arithmetic on pointer to function type 'void (*)(S *, void *)' is a GNU extension}} |
| 19 | d -= 1; // expected-warning {{arithmetic on pointer to function type 'void (*)(S *, void *)' is a GNU extension}} |
| Eli Friedman | 8e12298 | 2008-05-18 18:08:51 +0000 | [diff] [blame] | 20 | } |