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Author SHA1 Message Date
David Majnemer e35244cf63 [WinEH] Update PHIs of CATCHRET successors 
The TailDuplication machine pass ran across a malformed CFG: a PHI node
referred it's predecessor's predecessor instead of it's predecessor.
This occurred because we split the edge in X86ISelLowering when we
processed the CATCHRET but forgot to do something about the PHI nodes.

This fixes PR25444.

llvm-svn: 252413
 2015-11-08 02:36:00 +00:00