merge revision(s) 56694,56698: [Backport #12920]

	vm_eval.c: fix refined method when prepended

	* vm_eval.c (vm_call0_body): refined module should not be skipped
  as prepended.  [ruby-core:78073] [Bug #12920]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@56816 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 14 insertions, 0 deletions

diff --git a/test/ruby/test_refinement.rb b/test/ruby/test_refinement.rb
index f674783a01..dd1c9bcd89 100644
--- a/test/ruby/test_refinement.rb
+++ b/test/ruby/test_refinement.rb
@@ -1623,6 +1623,20 @@ class TestRefinement < Test::Unit::TestCase
     end
   end
 
+  def test_refine_with_prepend
+    assert_separately([], "#{<<-"begin;"}\n#{<<-"end;"}")
+    begin;
+      bug = '[ruby-core:78073] [Bug #12920]'
+      Fixnum.prepend(Module.new)
+      Module.new do
+        refine Fixnum do
+          define_method(:+) {}
+        end
+      end
+      assert_kind_of(Time, Time.now, bug)
+    end;
+  end
+
   private
 
   def eval_using(mod, s)