* vm.c (vm_make_proc_from_block): should convert a Symbol to a Proc.

  [ruby-core:72083] [Bug #11811]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53152 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 7 insertions, 0 deletions

diff --git a/test/ruby/test_lazy_enumerator.rb b/test/ruby/test_lazy_enumerator.rb
index 29c6b3e855..5feddd5bde 100644
--- a/test/ruby/test_lazy_enumerator.rb
+++ b/test/ruby/test_lazy_enumerator.rb
@@ -532,4 +532,11 @@ EOS
     assert_warning("") {le.drop(1).force}
     assert_warning("") {le.drop_while{false}.force}
   end
+
+  def test_symbol_chain
+    assert_equal(["1", "3"], [1, 2, 3].lazy.reject(&:even?).map(&:to_s).force)
+    assert_raise(NoMethodError) do
+      [1, 2, 3].lazy.map(&:undefined).map(&:to_s).force
+    end
+  end
 end