hans added a comment.

Heads up that we're seeing a problem in Chromium that bisects to this change. 
(http://crbug.com/1373836)

In our case what's happening is that the compiler is getting the name of an 
included file wrong, which ends up in the debug info (and also shows in the 
preprocessor output). What makes it interesting is that this only reproduces on 
a remote build system, not when building locally.

I see there's discussion about symlinks of identical files, and I just realized 
that in our case the files are indeed identical. I haven't heard back from the 
build system folks, but I wouldn't be surprised if they symlink these against 
some content-addressed storage system.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D135220/new/

https://reviews.llvm.org/D135220

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