From 9263e91e2e91aaf0eb72488f2a52648c086bef35 Mon Sep 17 00:00:00 2001
From: Anders Carlsson <andersca@mac.com>
Date: Fri, 18 Sep 2009 18:39:58 +0000
Subject: [PATCH] Change manglePrefix to return early if the DC is the
 translation unit.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@82246 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/Mangle.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/CodeGen/Mangle.cpp b/lib/CodeGen/Mangle.cpp
index 88e2e9425b..e6c3f1b42f 100644
--- a/lib/CodeGen/Mangle.cpp
+++ b/lib/CodeGen/Mangle.cpp
@@ -488,11 +488,13 @@ void CXXNameMangler::manglePrefix(const DeclContext *DC) {
   //           ::= <substitution>
   // FIXME: We only handle mangling of namespaces and classes at the moment.
 
+  if (DC->isTranslationUnit())
+    return;
+  
   if (mangleSubstitution(cast<NamedDecl>(DC)))
     return;
 
-  if (!DC->getParent()->isTranslationUnit())
-    manglePrefix(DC->getParent());
+  manglePrefix(DC->getParent());
 
   if (const NamespaceDecl *Namespace = dyn_cast<NamespaceDecl>(DC))
     mangleSourceName(Namespace->getIdentifier());
-- 
2.50.1