Tentative declarations are supposed to have common linkage, not weak.
This change makes clang generate the same thing as llvm-gcc.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@51674 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index 525c13f..0b7d30a 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -500,7 +500,7 @@
assert(0 && "Can't have auto or register globals");
case VarDecl::None:
if (!D->getInit())
- GV->setLinkage(llvm::GlobalVariable::WeakLinkage);
+ GV->setLinkage(llvm::GlobalVariable::CommonLinkage);
break;
case VarDecl::Extern:
case VarDecl::PrivateExtern: