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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-dom2" } */
float foo(float x)
{
x += 1;
x -= 1;
return x;
}
/* We should *not* fold the arithmetic. */
/* { dg-final { scan-tree-dump-times "0.0" 0 "dom2"} } */
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