Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/torture/pr56965-2.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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line source
extern void abort (void); struct S { int i; int j; }; struct X { struct S s; int k; }; struct Y { int k; struct S s; }; union U { struct X x; struct Y y; } __attribute__((may_alias)); int __attribute__((noinline)) foo (union U *p, union U *q) { p->x.s.j = 1; q->y.s.i = 0; return p->x.s.j; } struct R { int i; int j; } __attribute__((may_alias)); int __attribute__((noinline)) bar (struct R *p, struct R *q) { p->i = 1; q->j = 0; return p->i; } int main() { int a[3]; if (foo ((union U *)&a[0], (union U *)&a[0]) != 0) abort (); if (bar ((struct R *)&a[1], (struct R *)&a[0]) != 0) abort (); return 0; }