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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-optimized" } */
extern unsigned int strlen (const char *) __attribute__ ((__pure__));
void
foo (const char *str)
{
unsigned int a = strlen (str);
unsigned int b = strlen (str);
if (a != b)
link_error ();
}
/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } */
/* { dg-final { cleanup-tree-dump "optimized" } } */
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