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

[Xinliang David Li]

To proactively find problems like this -- consider doing this in 3-stage
compiler bootstrap -- the stage-2 and stage-3 compilations have -g settings
toggled -- .text from these two stages should be bit-identical.

David


On Thu, Mar 6, 2014 at 12:50 PM, Eric Christopher <echristo at gmail.com>wrote:

>
>   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
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