From 6a6f2dda36f2cff5cc97a2ffe0307da7b330a8b0 Mon Sep 17 00:00:00 2001
From: Dale Johannesen <dalej@apple.com>
Date: Fri, 16 May 2008 22:46:40 +0000
Subject: [PATCH] Add CommonLinkage, in a way that preserves the behavior on
 old .bc files.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51210 91177308-0d34-0410-b5e6-96231b3b80d8
---
 tools/lto2/LTOModule.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/lto2/LTOModule.cpp b/tools/lto2/LTOModule.cpp
index cc3b1f142dc..2fd29be272a 100644
--- a/tools/lto2/LTOModule.cpp
+++ b/tools/lto2/LTOModule.cpp
@@ -203,6 +203,9 @@ void LTOModule::addDefinedSymbol(GlobalValue* def, Mangler &mangler,
             attr |= LTO_SYMBOL_DEFINITION_TENTATIVE;
         }
     }
+    else if ( def->hasCommonLinkage()) {
+        attr |= LTO_SYMBOL_DEFINITION_TENTATIVE;
+    }
     else { 
         attr |= LTO_SYMBOL_DEFINITION_REGULAR;
     }