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/* Verify zero initialization for union type with structure field with
padding. */
/* { dg-do compile } */
/* { dg-options "-ftrivial-auto-var-init=zero -fdump-rtl-expand -march=x86-64 -mtune=generic -msse" } */
struct test_trailing_hole {
int one;
int two;
int three;
char four;
/* "sizeof(unsigned long) - 1" byte padding hole here. */
};
union test_union_padding {
struct test_trailing_hole u1;
long long u2;
};
int foo ()
{
union test_union_padding var;
return var.u1.four;
}
/* { dg-final { scan-rtl-dump-times "const_int 0 \\\[0\\\]\\\) repeated x16" 1 "expand" } } */
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