Documentation on how to get c++ toolchain to work with bazel converage

[tidefield]

Page link:

https://bazel.build/docs/cc-toolchain-config-reference

Problem description (include actual vs expected text, if applicable):

As pointed out in https://github.com/bazelbuild/bazel/issues/19353#issuecomment-1908968337, Our documentation for c++ toolchain lacks instruction on how to make it work with bazel coverage.

Where do you see this issue? (include link to specific section of the page, if applicable)

No response

Any other information you'd like to share?

No response

[comius]

cc @c-mita

[github-actions[bot]]

Thank you for contributing to the Bazel repository! This issue has been marked as stale since it has not had any activity in the last 1+ years. It will be closed in the next 90 days unless any other activity occurs. If you think this issue is still relevant and should stay open, please post any comment here and the issue will no longer be marked as stale.

[tpudlik]

This remains an important gap in the documentation, and should remain an open issue.

[fmeum]

I sent out https://github.com/bazelbuild/bazel/pull/26355, which overhauls the features and documents them.