patch 8.0.0322: possible overflow with corrupted spell file commit https://github.com/vim/vim/commit/399c297aa93afe2c0a39e2a1b3f972aebba44c9d Author: Bram Moolenaar <Bram@vim.org> Date: Thu Feb 9 21:07:12 2017 +0100 patch 8.0.0322: possible overflow with corrupted spell file Problem: Possible overflow with spell file where the tree length is corrupted. Solution: Check for an invalid length (suggested by shqking)