patch 8.2.0697: Vim9: memory leak when using nested function Commit: https://github.com/vim/vim/commit/221fcc741a6660bfc3fd0d64937d0c15bb71f51d Author: Bram Moolenaar <Bram@vim.org> Date: Tue May 5 19:46:20 2020 +0200 patch 8.2.0697: Vim9: memory leak when using nested function Problem: Vim9: memory leak when using nested function. Solution: Unreference function when deleting instructions. Adjust reference count for local variables.