Arnold Schwaighofer 92a42eead2 MergeFunctions: Don't replace a weak function use by another equivalent weak function
We don't know whether the weak functions definition is the definitive definition.

rdar://21303727

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239422 91177308-0d34-0410-b5e6-96231b3b80d8
2015-06-09 18:19:17 +00:00
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