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/* { dg-do compile } */
/* { dg-options "-O -fdump-tree-optimized -fdump-tree-original" } */
double foo(double x, double y)
{
return ((x + 0.1234 * y) * (x - 0.1234 * y));
}
/* Keep positive constants during folding. */
/* { dg-final { scan-tree-dump-times " 1.23" 2 "original" } } */
/* CSE one multiplication. */
/* { dg-final { scan-tree-dump-times " \\\* " 2 "optimized" } } */
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