From 12edad2c50b7e0ae844e009c708d340376ba5636 Mon Sep 17 00:00:00 2001
From: Anders Carlsson <andersca@mac.com>
Date: Wed, 1 Apr 2009 00:42:16 +0000
Subject: [PATCH] Fix a bug (that I thought I had fixed already) where mangling
 a prefix could get us into an infinite loop

llvm-svn: 68168
---
 clang/lib/CodeGen/Mangle.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/clang/lib/CodeGen/Mangle.cpp b/clang/lib/CodeGen/Mangle.cpp
index 427cc76646b4..cd97b5d916c6 100644
--- a/clang/lib/CodeGen/Mangle.cpp
+++ b/clang/lib/CodeGen/Mangle.cpp
@@ -219,8 +219,8 @@ void CXXNameMangler::manglePrefix(const DeclContext *DC) {
   //           ::= # empty
   //           ::= <substitution>
   // FIXME: We only handle mangling of namespaces and classes at the moment.
-  if (DC->getParent() != DC)
-    manglePrefix(DC);
+  if (!DC->getParent()->isTranslationUnit())
+    manglePrefix(DC->getParent());
 
   if (const NamespaceDecl *Namespace = dyn_cast<NamespaceDecl>(DC))
     mangleSourceName(Namespace->getIdentifier());
-- 
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