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Author SHA1 Message Date
Eli Friedman 10ab923b32 [GlobalOpt] Correctly update metadata when localizing a global. 
Just calling dropAllReferences leaves pointers to the ConstantExpr
behind, so we would eventually crash with a null pointer dereference.

Differential Revision: https://reviews.llvm.org/D32551

llvm-svn: 301575
 2017-04-27 18:39:08 +00:00