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

[Joel E. Denny via libcxx-commits]

jdenny-ornl 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.

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