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

[Chuanqi Xu via cfe-commits]

ChuanqiXu9 wrote:

> I strongly suspect that this patch badly broke the [Solaris/sparcv9 buildbot](https://lab.llvm.org/buildbot/#/builders/72/builds/4046): it introduced more than 1000 failures.
> 
> Please fix or revert.

I'll revert this. Due to I can't reproduce this. When the bot gets stable, please tell if it is the real problem.

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