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/* { dg-do compile } */
/* { dg-options "-O -fdump-tree-fre1" } */
/* FRE should be able to combine i and j and perform simplification
on the condition. */
extern void link_error (void);
int i;
int foo(int b, int c)
{
i = b + 1;
int j = i - 1;
if (b != j)
link_error ();
}
/* { dg-final { scan-tree-dump-not "link_error" "fre1" } } */
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