[PATCH] D122251: [lit] Use sharding for GoogleTest format

Fri Jul 15 17:51:21 PDT 2022

ychen added a comment.

In D122251#3654496 <https://reviews.llvm.org/D122251#3654496>, @sammccall wrote:

> In D122251#3654458 <https://reviews.llvm.org/D122251#3654458>, @vitalybuka wrote:
>
>> Also there is not output of failure
>> previously we had something
>
> I've also seen this recently when trying to debug a tsan failure: we see that the test shard fails, but no failure details (and so no idea which test *case* to associate with).
>
> https://lab.llvm.org/buildbot/#/builders/131/builds/30528/steps/6/logs/stdio
>
> I also don't know whether it's this patch or a more recent regression, as I haven't had cause to investigate a santitizer failure in a while.

Looks like a data race in `[ RUN      ] TUSchedulerTests.PreambleThrottle` (https://lab.llvm.org/buildbot/#/builders/131/builds/30569/steps/6/logs/FAIL__Clangd_Unit_Tests__18).

Repository:
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https://reviews.llvm.org/D122251