created UncaughtThrowError which is raised by throw when not catched

tak1n · tak1n · commit fdf295c0331a · 2015-05-25T13:21:30.000+02:00
diff --git a/kernel/common/exception.rb b/kernel/common/exception.rb
@@ -213,6 +213,9 @@ def to_s
   end
 end
 
+class UncaughtThrowError < StandardError
+end
+
 class IndexError < StandardError
 end
 
diff --git a/kernel/common/throw_catch.rb b/kernel/common/throw_catch.rb
@@ -34,7 +34,7 @@ def catch(obj = Object.new, &block)
 
   def throw(obj, value=nil)
     unless Rubinius::ThrownValue.available? obj
-      raise ArgumentError, "uncaught throw #{obj.inspect}"
+      raise UncaughtThrowError, "uncaught throw #{obj.inspect}"
     end
 
     Rubinius.throw obj, value
