commit https://github.com/vim/vim/commit/e4eb6ff089e79e659acf33c17dd0fda7177de526 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Mar 22 21:00:09 2016 +0100 patch 7.4.1638 Problem: When binding a function to a dict the reference count is wrong. Solution: Decrement dict reference count, only reference the function when actually making a copy. (Ken Takata)