[Bug middle-end/33779] [4.3 Regression] folds unsigned multiplication == 0 to true

[rguenth at gcc dot gnu dot org]

------- Comment #2 from rguenth at gcc dot gnu dot org  2007-10-15 13:31 -------
whoops, make the testcase in comment #1

int foo(int i)
{
  return ((int)((unsigned)(i + 1) * 4)) / 4;
}

extern void abort(void);
int main()
{
  if (foo(0x3fffffff) != 0)
    abort ();
  return 0;
}


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33779