merge revision(s) 41175: [Backport ruby#8502]

	* class.c (include_modules_at): invalidate method cache if included
	  module contains constants

	* test/ruby/test_module.rb: add test


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@41192 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

Author: nagachika

ChangeLog

@@ -1,3 +1,10 @@
+Sun Jun  9 02:17:16 2013  Charlie Somerville  <[email protected]>
+
+	* class.c (include_modules_at): invalidate method cache if included
+	  module contains constants
+
+	* test/ruby/test_module.rb: add test
+
 Sun Jun  9 01:59:39 2013  CHIKANAGA Tomoyuki  <[email protected]>
 
 merge revision 40783 (partially): [Backport #8413]

class.c

@@ -761,6 +761,8 @@ include_modules_at(const VALUE klass, VALUE c, VALUE module)
 	}
 	if (RMODULE_M_TBL(module) && RMODULE_M_TBL(module)->num_entries)
 	    changed = 1;
+	if (RMODULE_CONST_TBL(module) && RMODULE_CONST_TBL(module)->num_entries)
+	    changed = 1;
       skip:
 	module = RCLASS_SUPER(module);
     }

test/ruby/test_module.rb

@@ -1713,6 +1713,26 @@ def test_anonymous_module_public_class_method
     assert_raise(NoMethodError, bug8284) {Object.define_method}
   end
 
+  def test_include_module_with_constants_invalidates_method_cache
+    assert_in_out_err([], <<-RUBY, %w(123 456), [])
+      A = 123
+
+      class Foo
+        def self.a
+          A
+        end
+      end
+
+      module M
+        A = 456
+      end
+
+      puts Foo.a
+      Foo.send(:include, M)
+      puts Foo.a
+    RUBY
+  end
+
   private
 
   def assert_top_method_is_private(method)

version.h

@@ -1,6 +1,6 @@
 #define RUBY_VERSION "2.0.0"
 #define RUBY_RELEASE_DATE "2013-06-09"
-#define RUBY_PATCHLEVEL 212
+#define RUBY_PATCHLEVEL 213
 
 #define RUBY_RELEASE_YEAR 2013
 #define RUBY_RELEASE_MONTH 6