[libcxx-commits] [libcxx] [llvm] [utils] update how auto-updated tests are displayed when the test is retried (PR #181097)

[Henrik G. Olsson via libcxx-commits]

hnrklssn wrote:

> I have no experience with `--update-tests`, so I am not a good reviewer for this.
> 
> Expanding the PR initial comment with an example of how the lit output changes might help reviewers to get started faster. When that's missing, they would probably look at the test suite changes, but there appear to be no old tests here.

Fair enough! That said, I don't think anyone except for myself so far has worked on anything related to `--update-tests`, so I mostly went for "people who have experience with lit".

Good point about all test cases being new. I added an example of the full output from one of the test cases with and without these changes.

https://github.com/llvm/llvm-project/pull/181097