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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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// PR c++/50158
// { dg-do compile }
// { dg-options "-Wunused" }

int bar (int);

int
foo (int a)
{
  int b[] = { a, -a };
  a += b[bar (a) < a];
  return a;
}