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/* { dg-do compile } */
/* { dg-options "-fno-strict-overflow -O2 -fdump-tree-optimized" } */
/* Dual of strict-overflow-5.c. */
/* We can only unroll when using strict overflow semantics. */
int foo (int i)
{
int index;
int r=0;
for (index = i; index <= i+4; index+=2)
r++;
return r;
}
/* { dg-final { scan-tree-dump-times "r = 3" 0 "optimized" } } */
/* { dg-final { cleanup-tree-dump "optimized" } } */
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