Adding property descriptor checks to ensure that Object.watch properly returns false when a property can't be overridden.
Adding property descriptor checks to ensure that Object.watch properly
returns false when a property can't be overridden.

bungle/Sugar,Victorgichohi/Sugar,getshuvo/Sugar,Victorgichohi/Sugar,rolka/Sugar,getshuvo/Sugar,bungle/Sugar,rolka/Sugar