From 326f38ff729d7867b2bdf8a1c8e270fd6c23e8b4 Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@gmail.com>
Date: Mon, 22 May 2017 19:28:36 +0000
Subject: [PATCH] [DataLayout] Add llvm_unreachable to the default of a nested
 switch statement that covers all values given to it by the outer switch. NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303571 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/IR/DataLayout.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/IR/DataLayout.cpp b/lib/IR/DataLayout.cpp
index c117d29b7f6..d5e29649a23 100644
--- a/lib/IR/DataLayout.cpp
+++ b/lib/IR/DataLayout.cpp
@@ -307,7 +307,7 @@ void DataLayout::parseSpecifier(StringRef Desc) {
     case 'a': {
       AlignTypeEnum AlignType;
       switch (Specifier) {
-      default:
+      default: llvm_unreachable("Unexpected specifier!");
       case 'i': AlignType = INTEGER_ALIGN; break;
       case 'v': AlignType = VECTOR_ALIGN; break;
       case 'f': AlignType = FLOAT_ALIGN; break;
-- 
2.40.0