[PATCH] D84803: [ThinLTO][MachO] Preserve both possible GUIDs from exported list

[Steven Wu via Phabricator via llvm-commits]

steven_wu added a comment.

This is basically a fundamental issues in GUID for machO format, which I am not sure if we can fix the underlying issue. That requires computing GUID based on mangled name, which can be more expensive and I am not sure if it will break the module summary for compatibility if we switch algorithm. So I fixed the export/preserve list only because that is the only thing I can think of that will surface as a bug. Otherwise, the mismatch GUID will just be a missed optimization opportunity.


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https://reviews.llvm.org/D84803