[PATCH] Reassociate x + -0.1234 * y into x - 0.1234 * y (part 2)

[Chad Rosier]

Renato,
Did you run the test multiple times to verify the non-determinism.  It's possible I uploaded a stale patch.  Regardless, I'll investigate.

 Thanks,
  Chad

http://reviews.llvm.org/D5363