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/* PR tree-optimization/21031
Make sure that a != 0 is propagated into the "if" statement. */
/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-forwprop1-details" } */
int
foo (int a)
{
int b = a != 0;
unsigned char c = b;
if (c)
return 1;
else
return 0;
}
/* { dg-final { scan-tree-dump-times "Replaced" 2 "forwprop1"} } */
/* { dg-final { cleanup-tree-dump "forwprop1" } } */
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