From 149a3153694f8b75f8f2f1754575e6a52b45214a Mon Sep 17 00:00:00 2001
From: Anton Korobeynikov <asl@math.spbu.ru>
Date: Tue, 6 May 2008 22:52:54 +0000
Subject: [PATCH] If weak GlobalVariable was bitcast'ed to different type
 during linking we will need to strip all casts for intializer lookup.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50776 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Linker/LinkModules.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Linker/LinkModules.cpp b/lib/Linker/LinkModules.cpp
index a82b266bbdb..ddc9081d654 100644
--- a/lib/Linker/LinkModules.cpp
+++ b/lib/Linker/LinkModules.cpp
@@ -758,7 +758,7 @@ static bool LinkGlobalInits(Module *Dest, const Module *Src,
       Constant *SInit =
         cast<Constant>(RemapOperand(SGV->getInitializer(), ValueMap));
 
-      GlobalVariable *DGV = cast<GlobalVariable>(ValueMap[SGV]);
+      GlobalVariable *DGV = cast<GlobalVariable>(StripPointerCasts(ValueMap[SGV]));
       if (DGV->hasInitializer()) {
         if (SGV->hasExternalLinkage()) {
           if (DGV->getInitializer() != SInit)