patch 9.0.2106: [security]: Use-after-free in win_close() Commit: https://github.com/vim/vim/commit/25aabc2b8ee1e19ced6f4da9d866cf9378fc4c5a Author: Christian Brabandt <cb@256bit.org> Date: Tue Nov 14 19:31:34 2023 +0100 patch 9.0.2106: [security]: Use-after-free in win_close() Problem: [security]: Use-after-free in win_close() Solution: Check window is valid, before accessing it If the current window structure is no longer valid (because a previous autocommand has already freed this window), fail and return before attempting to set win->w_closing variable. Add a test to trigger ASAN in CI Signed-off-by: Christian Brabandt <cb@256bit.org>

@echo off
rem To be used on MS-Windows for Visual C++ 2015 (either Express or Community)
rem See INSTALLpc.txt for information.
rem
rem Usage:
rem   For x86 builds run this without options:
rem     msvc2015
rem   For x64 builds run this with "x86_amd64" option:
rem     msvc2015 x86_amd64
rem   This works on any editions including Express edition.
rem   If you use Community (or Professional) edition, you can also use "x64"
rem   option:
rem     msvc2015 x64

call "%VS140COMNTOOLS%..\..\VC\vcvarsall.bat" %*