From c58fc4052e16b056ff776444f2eb03f7176cbf27 Mon Sep 17 00:00:00 2001
From: Lauro Ramos Venancio <lauro.venancio@gmail.com>
Date: Tue, 19 Feb 2008 00:04:15 +0000
Subject: A global without initializer must be emitted as weak. Fix Olden/bh
 test.

llvm-svn: 47292
---
 clang/CodeGen/CodeGenModule.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'clang/CodeGen/CodeGenModule.cpp')

diff --git a/clang/CodeGen/CodeGenModule.cpp b/clang/CodeGen/CodeGenModule.cpp
index ef05586fcc6..d68fbe616dc 100644
--- a/clang/CodeGen/CodeGenModule.cpp
+++ b/clang/CodeGen/CodeGenModule.cpp
@@ -244,6 +244,9 @@ void CodeGenModule::EmitGlobalVar(const FileVarDecl *D) {
   case VarDecl::Register:
     assert(0 && "Can't have auto or register globals");
   case VarDecl::None:
+    if (!D->getInit())
+      GV->setLinkage(llvm::GlobalVariable::WeakLinkage);
+    break;
   case VarDecl::Extern:
   case VarDecl::PrivateExtern:
     // todo: common
-- 
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