Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/c-c++-common/asan/pr79944.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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/* PR sanitizer/79944 */ /* { dg-do run } */ struct S { int i; char p[1024]; }; int main () { struct S *p = (struct S *) __builtin_malloc (__builtin_offsetof (struct S, p) + 64); p->i = 5; asm volatile ("" : "+r" (p) : : "memory"); __atomic_fetch_add ((int *) p, 5, __ATOMIC_RELAXED); asm volatile ("" : "+r" (p) : : "memory"); if (p->i != 10) __builtin_abort (); __builtin_free (p); return 0; }