Summary:
The return value of a TryToUnfoldSelect call was not checked, which led to an
incorrectly preserved loop info and some crash.
The original crash was reported on https://reviews.llvm.org/D59514.
Reviewers: davidxl, amehsan
Reviewed By: davidxl
Subscribers: fhahn, brzycki, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D61920
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@360780 91177308-0d34-0410-b5e6-96231b3b80d8
1149c3500b