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Changes from Git (git http://labmaster3.local/git/llvm-project.git)

Summary

  1. Reapply "[lit] GoogleTest framework should report failures if test binary crashes" (details)
Commit 0231227e5d8a7c4737ce2316dae01b63a2adfbe5 by stephen.neuendorffer
Reapply "[lit] GoogleTest framework should report failures if test binary crashes"

This reverts commit 78dea0e8fb6cc5c0fae64d65b7f40560cab7b329.

The offending lldb test (which is a real bug exposed by this patch)
has been disabled on windows (see a67b2faa7c4cfbceffb4213f46769c45a5a9291a)
and lldb is queued for inclusion into precommit testing, which would
have caught this.

Differential Revision: https://reviews.llvm.org/D80389
The file was addedllvm/utils/lit/tests/googletest-discovery-failed.py
The file was addedllvm/utils/lit/tests/Inputs/googletest-discovery-failed/lit.cfg
The file was addedllvm/utils/lit/tests/Inputs/googletest-discovery-failed/subdir/OneTest.py
The file was modifiedllvm/utils/lit/lit/formats/googletest.py