From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Sun, 10 Dec 2017 11:05:14 +0000 (+0000)
Subject: Fix MSVC 'not all control paths return a value' warning
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=4fa9f7479264f30a04618e1c789abe683915e733;p=clang

Fix MSVC 'not all control paths return a value' warning

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@320297 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Driver/ToolChains/Darwin.cpp b/lib/Driver/ToolChains/Darwin.cpp
index f4ed52838d..28efa86538 100644
--- a/lib/Driver/ToolChains/Darwin.cpp
+++ b/lib/Driver/ToolChains/Darwin.cpp
@@ -1230,6 +1230,7 @@ struct DarwinPlatform {
     case DeploymentTargetEnv:
       return (llvm::Twine(EnvVarName) + "=" + OSVersion).str();
     }
+    llvm_unreachable("Unsupported Darwin Source Kind");
   }
 
   static DarwinPlatform createOSVersionArg(DarwinPlatformKind Platform,