[llvm-dev] Do we still need the self move protection in APInt's move assignment operator?

[Craig Topper via llvm-dev]

The comment says it was added due to a bug in MSVC 2013 implementation of
stable_sort. Newer versions of MSVC have fixed this bug in stable_sort
according to this webpage record
https://connect.microsoft.com/VisualStudio/feedback/details/886652

Can we remove the check now?

~Craig
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