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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-vrp1" } */
unsigned char c[0xFF];
void f(void)
{
unsigned char i;
c[128] = 128;
i = 0;
while (1)
{
/* This predicate should not be folded out. */
if (((signed char) i) < 0) break;
c[i] = ' ';
i++;
}
}
/* { dg-final { scan-tree-dump-times "Folding predicate " 0 "vrp1" } } */
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