From ab4d569f2841beaf6152179b1f4da6b7e0f3530e Mon Sep 17 00:00:00 2001
From: Hans Wennborg <hans@hanshq.net>
Date: Tue, 23 Apr 2013 10:12:16 +0000
Subject: [PATCH] Add llvm_unreachable after fully covered switch to pacify GCC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180087 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Support/Compression.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/Support/Compression.cpp b/lib/Support/Compression.cpp
index 497b17ec92b..f22d3db9ac9 100644
--- a/lib/Support/Compression.cpp
+++ b/lib/Support/Compression.cpp
@@ -31,6 +31,7 @@ static int encodeZlibCompressionLevel(zlib::CompressionLevel Level) {
     case zlib::DefaultCompression: return Z_DEFAULT_COMPRESSION;
     case zlib::BestSizeCompression: return 9;
   }
+  llvm_unreachable("Invalid zlib::CompressionLevel!");
 }
 
 static zlib::Status encodeZlibReturnValue(int ReturnValue) {