patch 8.2.0483: Vim9: "let x = x + 1" does not give an error Commit: https://github.com/vim/vim/commit/d25ec2cfa0c25c3b00b7f8963b8aea799df1f20a Author: Bram Moolenaar <Bram@vim.org> Date: Mon Mar 30 21:05:45 2020 +0200 patch 8.2.0483: Vim9: "let x = x + 1" does not give an error Problem: Vim9: "let x = x + 1" does not give an error. Solution: Hide the variable when compiling the expression.

" Settings for test script execution
" Always use "COMMAND.COM", don't use the value of "$SHELL".
set shell=c:\COMMAND.COM shellquote= shellxquote= shellcmdflag=/c shellredir=>
" This is used only when the +eval feature is available.
if executable("cmd.exe")
   set shell=cmd.exe
endif

source setup.vim