Merge pull request #2303 from ksss/module-initialize

Module#initialize set created object for block argument

src/class.c

@@ -897,7 +897,7 @@ mrb_mod_initialize(mrb_state *mrb, mrb_value mod)
 
   mrb_get_args(mrb, "&", &b);
   if (!mrb_nil_p(b)) {
-    mrb_yield_with_class(mrb, b, 0, 0, mod, mrb_class_ptr(mod));
+    mrb_yield_with_class(mrb, b, 1, &mod, mod, mrb_class_ptr(mod));
   }
   return mod;
 }

test/t/module.rb

@@ -344,6 +344,9 @@ assert('Module#initialize', '15.2.2.4.31') do
   assert_kind_of Module, Module.new
   mod = Module.new { def hello; "hello"; end }
   assert_equal [:hello], mod.instance_methods
+  a = nil
+  mod = Module.new { |m| a = m }
+  assert_equal mod, a
 end
 
 assert('Module#instance_methods', '15.2.2.4.33') do