gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pr58404.C


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// { dg-do compile }
// { dg-options "-O -fdump-tree-cddce1" }

struct S { int s; };
S a[1024];

void
foo ()
{
  for (int i = 0; i < 1024; i++)
    {
      S &r = a[i];
      r.s++;
    }
}

// We should propagate the reference into both memory accesses
// during the first forwprop pass
// { dg-final { scan-tree-dump-times "= &a" 0 "cddce1" } }
// { dg-final { cleanup-tree-dump "cddce1" } }