[PATCH] D101401: [XCOFF] Handle the case when personality routine is an alias

[Jason Liu via Phabricator via llvm-commits]

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Personality routine could be an alias to another personality routine. 
Fix the situation when we compile the file that contains the personality routine and the file also have functions that need to refer to the personality routine.


https://reviews.llvm.org/D101401

Files:
  llvm/lib/Analysis/EHPersonalities.cpp
  llvm/lib/CodeGen/AsmPrinter/AIXException.cpp
  llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
  llvm/test/CodeGen/PowerPC/aix-personality-alias.ll

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