[PATCH] D12743: [CodeGen] Teach SimplifyPersonality about the updated LandingPadInst

[Vedant Kumar via cfe-commits]

vsk created this revision.
vsk added reviewers: majnemer, rjmccall.
vsk added a subscriber: cfe-commits.

When personality function references were moved from LandingPadInst to                           
Function, we forgot to update SimplifyPersonality(). This is an                                  
optimization which replaces personality functions with the default C++                           
personality if it has only C++-style uses. As a result, some ObjC++                              
projects could no longer link against C++ libraries (seeing as the                               
exception ABI had effectively changed).

http://reviews.llvm.org/D12743

Files:
  lib/CodeGen/CGException.cpp
  test/CodeGenObjCXX/exception-cxx.mm

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