* vm_eval.c (rb_method_call_status): undefined refined method is
	  not callable unless using.  [ruby-core:69064] [Bug #11117]

	* vm_eval.c (rb_method_call_status): resolve refined method entry
	  to check if undefined.  [ruby-core:69064] [Bug #11117]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@51133 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

	* vm_insnhelper.c (rb_vm_rewrite_cref_stack): copy nd_refinements
	  of orignal crefs. It fixes segmentation fault when calling
	  refined method in duplicate module. [ruby-dev:48878] [Bug #10885]

	* vm_core.h, class.c: change accordingly.

	* test/ruby/test_refinement.rb: add a test for above.
	  of original crefs. It fixes segmentation fault when calling


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@49708 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

	* vm_method.c (remove_method): When remove refined
	  method, raise a NameError if the method is not
	  defined in refined class.
	
	  But if the method is defined in refined class,
	  it should keep refined method and remove original
	  method.
	  
	  Patch by Seiei Higa. [ruby-core:67722] [Bug #10765]

	* class.c (method_entry_i, class_instance_method_list,
	  rb_obj_singleton_methods): should not include methods of
	  superclasses if recur is false. [ruby-dev:48854] [Bug #10826]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@49647 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

	* proc.c (rb_obj_singleton_method): Kernel#singleton_method should
	  not use refinements, as well as Kernel#method.
	  [ruby-core:67603] [Bug #10744]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@49646 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

	* class.c (method_entry_i, class_instance_method_list,
	  rb_obj_singleton_methods): should not include methods of
	  superclasses if recur is false. [ruby-dev:48854] [Bug #10826]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@49592 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

	* vm_method.c (check_definition): Module#public_method_defined?,
	  Module#private_method_defined?, Module#protected_method_defined?
	  should not use refinements. [ruby-core:67656] [Bug #10753]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@49409 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

	* vm_method.c (rb_method_entry): if no super class, no original
	  method entry.  [ruby-core:67389] [Bug #10707]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@49331 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

	* vm_method.c (rb_alias): raise a NameError when creating alias to
	  a refined method if the original method of the refined method is
	  not defined.  [ruby-core:67523] [Bug #10731]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@49311 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

	vm_method.c: fix change refined new method visibility
	* vm_method.c (rb_export_method): bail out if the original method
	  is undefined when the method is refined.
	  [ruby-core:67387] [Bug #10706]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@49297 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* test/lib/find_executable.rb: Ditto.

* test/lib/memory_status.rb: Ditto.

* test/lib/test/unit.rb: require envutil.

* test/: Don't require envutil in test files.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48409 b2dd03c8-39d4-4d8f-98ff-823fe69b080e