Add unnamed_addr to constructors and destructors.

llvm-svn: 123197
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp
index f582238..5d549c9 100644
--- a/clang/lib/CodeGen/CodeGenModule.cpp
+++ b/clang/lib/CodeGen/CodeGenModule.cpp
@@ -433,6 +433,9 @@
   if (D->hasAttr<NoInlineAttr>())
     F->addFnAttr(llvm::Attribute::NoInline);
 
+  if (isa<CXXConstructorDecl>(D) || isa<CXXDestructorDecl>(D))
+    F->setUnnamedAddr(true);
+
   if (Features.getStackProtectorMode() == LangOptions::SSPOn)
     F->addFnAttr(llvm::Attribute::StackProtect);
   else if (Features.getStackProtectorMode() == LangOptions::SSPReq)