File: pr83581.c

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gcc-riscv64-unknown-elf 8.3.0.2019.08%2Bdfsg-1
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/* PR tree-optimization/83581 */
/* { dg-do compile } */
/* { dg-options "-O3 -fno-tree-copy-prop -fno-tree-loop-im" } */

int a, b, c;

int
foo (int x)
{
  int *d = &x;
  while (a < 1)
    {
      for (b = 0; b < 2; ++b)
        {
          *d += !!x + 1;
          d = &c;
        }
      ++a;
    }
  return *d;
}