[PATCH] D68668: [lit] Extend internal diff to support -U

[Joel E. Denny via Phabricator via llvm-commits]

jdenny updated this revision to Diff 224870.
jdenny added a comment.

Rebased onto master so it doesn't depend on D66574 <https://reviews.llvm.org/D66574> anymore.  Thus, this now alters the original diff implementation within `TestRunner.py` instead of the `diff.py` that D66574 <https://reviews.llvm.org/D66574> creates.  This way, I don't have to apply the entire patch series at once, so handling bot failures should be easier.

It's basically the same patch, so another review shouldn't be necessary.  I'll probably push later today.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D68668/new/

https://reviews.llvm.org/D68668

Files:
  llvm/utils/lit/lit/TestRunner.py
  llvm/utils/lit/tests/Inputs/shtest-shell/diff-unified-error-0.txt
  llvm/utils/lit/tests/Inputs/shtest-shell/diff-unified-error-1.txt
  llvm/utils/lit/tests/Inputs/shtest-shell/diff-unified.txt
  llvm/utils/lit/tests/max-failures.py
  llvm/utils/lit/tests/shtest-shell.py

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