patch 8.2.4139: using freed memory in expression abbreviation Commit: https://github.com/vim/vim/commit/94075b2b0e8e3b75334799d2c082497fbf85ffa1 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jan 18 20:30:39 2022 +0000 patch 8.2.4139: using freed memory in expression abbreviation Problem: Using freed memory if an expression abbreviation deletes the abbreviation. Solution: Do not access the pointer after evaluating the expression.