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/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-optimized -fdump-tree-esra-details" } */
typedef struct teststruct
{
double d;
int i1;
char c1;
float z;
char c2;
int i2;
} teststruct;
void link_error (void);
void cow (int i)
{
teststruct a, b, c, d;
a.d = 3.2;
a.i1 = i;
b = a;
c = b;
d = c;
if (d.i1 != i)
link_error ();
}
/* Suaccesses of b and c should have been created. */
/* { dg-final { scan-tree-dump "expr = b.d" "esra"} } */
/* { dg-final { scan-tree-dump "expr = b.i1" "esra"} } */
/* { dg-final { scan-tree-dump "expr = c.d" "esra"} } */
/* { dg-final { scan-tree-dump "expr = c.i1" "esra"} } */
/* There should be no reference to link_error. */
/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } */
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