[llvm-dev] Flakey failure on clang-ppc64le-linux-multistage

[David Blaikie via llvm-dev]

Seems there were a couple of correlated failures that appear to be flakes
on this buildbot recently:

green:
http://lab.llvm.org:8011/builders/clang-ppc64le-linux-multistage/builds/13974
red:
http://lab.llvm.org:8011/builders/clang-ppc64le-linux-multistage/builds/13975
(target-override.c
during stage 1, seems to be missing the directory/symlink it just created)
red:
http://lab.llvm.org:8011/builders/clang-ppc64le-linux-multistage/builds/13976
(same
test failure as the last, but during stage 2, not stage 1)
green:
http://lab.llvm.org:8011/builders/clang-ppc64le-linux-multistage/builds/13977

Including Nico & Pavlov as the people who wrote/edited the test, but I'm
guessing this is something interesting going on on the buildbot itself?

powerllvm at ca.ibm.com, whoever you are on the end of that mailing list -
could you take a look at this? Possibly manually running that test in a
loop a bunch of times to see if it fails sometimes & try to help us
understand why?
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