diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index f0aa8b7..80ef53f 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -607,6 +607,8 @@
     case VarDecl::None:
       if (!D->getInit())
         GV->setLinkage(llvm::GlobalVariable::CommonLinkage);
+      else
+        GV->setLinkage(llvm::GlobalVariable::ExternalLinkage);
       break;
     case VarDecl::Extern:
     case VarDecl::PrivateExtern: