[WinEH] Fix a case where GVN could incorrectly PRE a load into an EH pad.

Differential Revision: http://reviews.llvm.org/D14842



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@253908 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed