Revert r291670 because it introduces a crash.

r291670 doesn't crash on the original testcase from PR31589,
but it crashes on a slightly more complex one.

PR31589 has the new reproducer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@292444 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed