[memory] Add failing test case for RM-650.

test/test/spec/memory_spec.rb

@@ -271,6 +271,12 @@ class RetainCounter
   end
 end
 
+class OverridesNewOnObjectiveCClass < CALayer
+  def self.new
+    super
+  end
+end
+
 describe "Ruby methods that return retained objects" do
   def newObject; Object.new; end
   def newbuildObject; Object.new; end
@@ -285,6 +291,10 @@ describe "Ruby methods that return retained objects" do
     newbuildRetainCounter.retain_count.should == 0
   end
 
+  xit "returns an autoreleased object when overriding `::new` on an Objective-C class" do
+    lambda { OverridesNewOnObjectiveCClass.new }.should.be.autoreleased
+  end
+
   it "returns a retained object if the method name starts exactly with 'new' and is called from Objective-C" do
     TestMethod.isReturnValueRetained(self, forSelector:'newRetainCounter').should == true
     TestMethod.isReturnValueRetained(self, forSelector:'newbuildRetainCounter').should == false