[Bug tree-optimization/27090] FRE does loop past previous type casts

[pinskia at gcc dot gnu dot org]

------- Comment #4 from pinskia at gcc dot gnu dot org  2006-04-10 18:12 -------
Well really more like:
int f(int *a)
{
  int t = *a;
  unsigned *b = (unsigned *)a;
  int *c = (int*)b;
  return *c + t;
}

Which should be the same as:
int f(int *a)
{
  return *a * 2;
}


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27090