Index: lib/Transforms/IPO/GlobalDCE.cpp
===================================================================
--- lib/Transforms/IPO/GlobalDCE.cpp
+++ lib/Transforms/IPO/GlobalDCE.cpp
@@ -165,7 +165,7 @@
     // Functions with external linkage are needed if they have a body.
     // Externally visible & appending globals are needed, if they have an
     // initializer.
-    if (!GO.isDeclaration() && !GO.hasAvailableExternallyLinkage())
+    if (!GO.isDeclaration())
       if (!GO.isDiscardableIfUnused())
         MarkLive(GO);