Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.c-torture/execute/pr49279.c @ 152:2b5abeee2509
update gcc11
author | anatofuz |
---|---|
date | Mon, 25 May 2020 07:50:57 +0900 |
parents | 04ced10e8804 |
children |
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/* PR tree-optimization/49279 */ extern void abort (void); struct S { int a; int *__restrict p; }; __attribute__((noinline, noclone)) struct S *bar (struct S *p) { struct S *r; asm volatile ("" : "=r" (r) : "0" (p) : "memory"); return r; } __attribute__((noinline, noclone)) int foo (int *p, int *q) { struct S s, *t; s.a = 1; s.p = p; t = bar (&s); t->p = q; s.p[0] = 0; t->p[0] = 1; return s.p[0]; } int main () { int a, b; if (foo (&a, &b) != 1) abort (); return 0; }