[llvm] r257875 - [InstCombine] Rewrite bswap/bitreverse handling completely.

[Ismail Donmez via llvm-commits]

On Fri, Jan 22, 2016 at 4:52 PM, James Molloy via llvm-commits
<llvm-commits at lists.llvm.org> wrote:
> Hi,
>
> Yes, r257886 needs to be merged also. This appeases the msan bots, and could explain your segfaults (although I didn’t see any segfaults myself! unless this is a stage2 build?)

Reverting rr258180 also fixed my stage2 builds, I'll try with r257886 later on.

Regards,
ismail