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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-esra-details" } */
struct blah
{
char a[4];
};
struct str
{
struct blah b1;
char x;
};
struct val
{
char y;
struct blah b2;
};
union U
{
struct str str;
struct val val;
};
extern struct blah e_b1, e_b2;
extern union U *e_u;
int foo (int b)
{
union U u;
u.str.b1 = e_b1;
u.val.b2 = e_b2;
u.str.b1.a[3] = 0;
*e_u = u;
}
/* Epiphany has struct alignment/padding that avoids the overlap of
str.b1 and val.b2. */
/* { dg-final { scan-tree-dump-times "Created a replacement" 0 "esra" { target { ! "epiphany-*-*" } } } } */
/* { dg-final { cleanup-tree-dump "esra" } } */
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