| Richard Smith | e934d7c | 2013-11-21 01:53:02 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 %s -verify |
| 2 | |
| 3 | // PR10837: Warn if a non-pointer-typed expression is folded to a null pointer |
| 4 | int *p = 0; |
| 5 | int *q = '\0'; // expected-warning{{expression which evaluates to zero treated as a null pointer constant}} |
| 6 | int *r = (1 - 1); // expected-warning{{expression which evaluates to zero treated as a null pointer constant}} |
| 7 | void f() { |
| 8 | p = 0; |
| 9 | q = '\0'; // expected-warning{{expression which evaluates to zero treated as a null pointer constant}} |
| 10 | r = 1 - 1; // expected-warning{{expression which evaluates to zero treated as a null pointer constant}} |
| 11 | } |