* range.c (range_step): treat symbols specially so that iterating

over symbols should work like strings.  [ruby-core:24780]

* range.c (range_each): ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24573 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/ruby/test_range.rb

@@ -18,6 +18,10 @@ class TestRange < Test::Unit::TestCase
     assert_equal(["9", "10"], ("9"..SimpleDelegator.new("10")).to_a)
   end
 
+  def test_range_symbol
+    assert_equal([:a, :b], (:a .. :b).to_a)
+  end
+
   def test_evaluation_order
     arr = [1,2]
     r = (arr.shift)..(arr.shift)