From cb3b4001d4b9492df3e88227282cec2764e7e76f Mon Sep 17 00:00:00 2001
From: NAKAMURA Takumi <geek4civic@gmail.com>
Date: Fri, 13 Sep 2013 17:12:09 +0000
Subject: [PATCH] ASTContext.cpp: Fix a warning in r190684.
 [-Wcovered-switch-default]

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@190705 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/AST/ASTContext.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp
index 0783f29161..05d8354793 100644
--- a/lib/AST/ASTContext.cpp
+++ b/lib/AST/ASTContext.cpp
@@ -698,7 +698,6 @@ static const LangAS::Map *getAddressSpaceMap(const TargetInfo &T,
 static bool isAddrSpaceMapManglingEnabled(const TargetInfo &TI,
                                           const LangOptions &LangOpts) {
   switch (LangOpts.getAddressSpaceMapMangling()) {
-  default: return false;
   case LangOptions::ASMM_Target:
     return TI.useAddressSpaceMapMangling();
   case LangOptions::ASMM_On:
@@ -706,6 +705,8 @@ static bool isAddrSpaceMapManglingEnabled(const TargetInfo &TI,
   case LangOptions::ASMM_Off:
     return false;
   }
+  llvm_unreachable("getAddressSpaceMapMangling() doesn't cover anything.");
+  return false;
 }
 
 ASTContext::ASTContext(LangOptions& LOpts, SourceManager &SM,
-- 
2.40.0