| Roger Ferrer Ibanez | f7b9f31 | 2016-08-17 06:52:15 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
| 2 | // expected-no-diagnostics |
| 3 | |
| 4 | struct B { |
| 5 | int x, y, z, w; |
| 6 | } b; |
| 7 | |
| 8 | struct __attribute__((packed)) A { |
| 9 | struct B b; |
| 10 | } a; |
| 11 | |
| 12 | typedef __typeof__(sizeof(int)) size_t; |
| 13 | |
| 14 | extern "C" { |
| 15 | void *memcpy(void *dest, const void *src, size_t n); |
| 16 | int memcmp(const void *s1, const void *s2, size_t n); |
| 17 | void *memmove(void *dest, const void *src, size_t n); |
| 18 | void *memset(void *s, int c, size_t n); |
| 19 | } |
| 20 | |
| 21 | int x; |
| 22 | |
| 23 | void foo() { |
| 24 | memcpy(&a.b, &b, sizeof(b)); |
| 25 | memmove(&a.b, &b, sizeof(b)); |
| 26 | memset(&a.b, 0, sizeof(b)); |
| 27 | x = memcmp(&a.b, &b, sizeof(b)); |
| 28 | } |