[PATCH] Branch folding causes different code generation at "-O2 -g" and "-O2"

[Eric Christopher]

  I wouldn't worry about it, just that code generation is often wildly different on atom and so tests can fail pretty quickly on the atom bots. It was mostly a heads up to watch the bots after committing something that looks at particular code generation choices.

http://llvm-reviews.chandlerc.com/D2970