A global without initializer must be emitted as weak.
Fix Olden/bh test.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@47292 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/CodeGen/CodeGenModule.cpp b/CodeGen/CodeGenModule.cpp
index ef05586..d68fbe6 100644
--- a/CodeGen/CodeGenModule.cpp
+++ b/CodeGen/CodeGenModule.cpp
@@ -244,6 +244,9 @@
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