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Commit 4f041651 authored by NAKAMURA Takumi's avatar NAKAMURA Takumi
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VMCore/BasicBlock.cpp: Don't assume BasicBlock::iterator might end with a... 

VMCore/BasicBlock.cpp: Don't assume BasicBlock::iterator might end with a non-PHInode Instruction in successors.

Frontends(eg. clang) might pass incomplete form of IR, to step off the way beyond iterator end. In the case I had met, it took infinite loop due to meeting bogus PHInode.

Thanks to Jay Foad and John McCall.

llvm-svn: 137175
parent 5b64b810
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