[PATCH] D71508: [DebugInfo] Duplicate file names in debug info

[kamlesh kumar via Phabricator via cfe-commits]

kamleshbhalui added a comment.

In D71508#1786799 <https://reviews.llvm.org/D71508#1786799>, @aprantl wrote:

> Are we sure we want to canonicalize *before* applying -fdebug-prefix-map in `remapDIPath()`? Honest question, the answer could be yes :-)


it canonicalizes before apply -fdebug-prefix-map in `remapDIPath()`  only when creating compilation unit with filename passed by driver  option -main-file-name
https://github.com/llvm-mirror/clang/blob/master/lib/CodeGen/CGDebugInfo.cpp#L615

Other than that it first apply -fdebug-prefix-map in `remapDIPath()` then try to canonicalize.
https://github.com/llvm-mirror/clang/blob/master/lib/CodeGen/CGDebugInfo.cpp#L441


Repository:
  rG LLVM Github Monorepo

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https://reviews.llvm.org/D71508