commit d038b475ac13b76e61bf31bd6e2f5fd48d31b10c
author Simon Pilgrim <llvm-dev@redking.me.uk> Sun Dec 10 11:05:14 2017 +0000
committer Simon Pilgrim <llvm-dev@redking.me.uk> Sun Dec 10 11:05:14 2017 +0000
tree a16152ff56584a1251e497c6aacd0e87cabe5130
parent 1a030016a65176d37a673f91c04d5a835172ba0c

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

llvm-svn: 320297

clang/lib/Driver/ToolChains/Darwin.cpp

diff --git a/clang/lib/Driver/ToolChains/Darwin.cpp b/clang/lib/Driver/ToolChains/Darwin.cpp
index f4ed528..28efa86 100644
--- a/clang/lib/Driver/ToolChains/Darwin.cpp
+++ b/clang/lib/Driver/ToolChains/Darwin.cpp
@@ -1230,6 +1230,7 @@
     case DeploymentTargetEnv:
       return (llvm::Twine(EnvVarName) + "=" + OSVersion).str();
     }
+    llvm_unreachable("Unsupported Darwin Source Kind");
   }
 
   static DarwinPlatform createOSVersionArg(DarwinPlatformKind Platform,