Yaron Keren 66b0cebf7f In DwarfEHPrepare, after all passes are run, RewindFunction may be a dangling ...

pointer to a dead function. To make sure it's valid, doFinalization nullptrs
RewindFunction just like the constructor and so it will be found on next run.

llvm-svn: 217737

2014-09-14 20:36:28 +00:00

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