Option parser: class for consuming a joined arg in addition to all remaining args

llvm-svn: 266394
GitOrigin-RevId: 40cfde3cb8f9fd5afe50396487b45b9b5f40a567
diff --git a/unittests/Option/Opts.td b/unittests/Option/Opts.td
index c96774a..25c98c6 100644
--- a/unittests/Option/Opts.td
+++ b/unittests/Option/Opts.td
@@ -26,3 +26,5 @@
 def K : Flag<["-"], "K">, Alias<B>;
 
 def Slurp : Option<["-"], "slurp", KIND_REMAINING_ARGS>;
+
+def SlurpJoined : Option<["-"], "slurpjoined", KIND_REMAINING_ARGS_JOINED>;