[clang] [Modules] No transitive source location change (PR #86912)

[Jan Svoboda via cfe-commits]

https://github.com/jansvoboda11 approved this pull request.

The changes LGTM, don't want to block this on my remaining nits.

I believe @Bigcheese wanted to test test impact on PCM size on our side before this lands.

https://github.com/llvm/llvm-project/pull/86912