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

llvm-svn: 320297
2017-12-10 11:05:14 +00:00 · 2017-12-10 11:05:14 +00:00 · d038b475ac
parent 1a030016a6
commit d038b475ac
1 changed files with 1 additions and 0 deletions
--- a/clang/lib/Driver/ToolChains/Darwin.cpp
+++ b/clang/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,