patch 8.1.0800: may use a lot of memory when a function refers itself commit https://github.com/vim/vim/commit/4456ab527a6a5faae9287f3bd2e52cc18966cfb0 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jan 23 23:00:30 2019 +0100 patch 8.1.0800: may use a lot of memory when a function refers itself Problem: May use a lot of memory when a function creates a cyclic reference. Solution: After saving a funccal many times, invoke the garbage collector. (closes #3835)