| Argyrios Kyrtzidis | 14e6455 | 2012-04-03 16:47:40 +0000 | [diff] [blame^] | 1 | // RUN: %clang_cc1 %s -verify -Wconversion |
| 2 | |
| 3 | // Don't crash (rdar://11168596) |
| 4 | #define A(desc) _Pragma("clang diagnostic push") _Pragma("clang diagnostic ignored \"-Wparentheses\"") _Pragma("clang diagnostic pop") |
| 5 | #define B(desc) A(desc) |
| 6 | B(_Pragma("clang diagnostic ignored \"-Wparentheses\"")) |
| 7 | |
| 8 | |
| 9 | #define EMPTY(x) |
| 10 | #define INACTIVE(x) EMPTY(x) |
| 11 | |
| 12 | #define ID(x) x |
| 13 | #define ACTIVE(x) ID(x) |
| 14 | |
| 15 | // This should be ignored.. |
| 16 | INACTIVE(_Pragma("clang diagnostic ignored \"-Wconversion\"")) |
| 17 | |
| 18 | #define IGNORE_CONV _Pragma("clang diagnostic ignored \"-Wconversion\"") |
| 19 | |
| 20 | // ..as should this. |
| 21 | INACTIVE(IGNORE_CONV) |
| 22 | |
| 23 | #define IGNORE_POPPUSH(Pop, Push, W, D) Push W D Pop |
| 24 | IGNORE_POPPUSH(_Pragma("clang diagnostic pop"), _Pragma("clang diagnostic push"), |
| 25 | _Pragma("clang diagnostic ignored \"-Wconversion\""), int q = (double)1.0); |
| 26 | |
| 27 | int x1 = (double)1.0; // expected-warning {{implicit conversion}} |
| 28 | |
| 29 | ACTIVE(_Pragma) ("clang diagnostic ignored \"-Wconversion\"")) // expected-error {{_Pragma takes a parenthesized string literal}} \ |
| 30 | expected-error {{expected identifier or '('}} expected-error {{expected ')'}} expected-note {{to match this '('}} |
| 31 | |
| 32 | // This should disable the warning. |
| 33 | ACTIVE(IGNORE_CONV) |
| 34 | |
| 35 | int x2 = (double)1.0; |