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

[Eric Christopher]

Agreed. It's been on the list for a while but hasn't bubbled to the top.
On Mar 6, 2014 1:57 PM, "Xinliang David Li" <xinliangli at gmail.com> wrote:

> 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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