[llvm] r180087 - Add llvm_unreachable after fully covered switch to pacify GCC

[Hans Wennborg]

Author: hans
Date: Tue Apr 23 05:12:16 2013
New Revision: 180087

URL: http://llvm.org/viewvc/llvm-project?rev=180087&view=rev
Log:
Add llvm_unreachable after fully covered switch to pacify GCC

Modified:
    llvm/trunk/lib/Support/Compression.cpp

Modified: llvm/trunk/lib/Support/Compression.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Compression.cpp?rev=180087&r1=180086&r2=180087&view=diff
==============================================================================
--- llvm/trunk/lib/Support/Compression.cpp (original)
+++ llvm/trunk/lib/Support/Compression.cpp Tue Apr 23 05:12:16 2013
@@ -31,6 +31,7 @@ static int encodeZlibCompressionLevel(zl
     case zlib::DefaultCompression: return Z_DEFAULT_COMPRESSION;
     case zlib::BestSizeCompression: return 9;
   }
+  llvm_unreachable("Invalid zlib::CompressionLevel!");
 }
 
 static zlib::Status encodeZlibReturnValue(int ReturnValue) {