patch 8.2.2464: using freed memory if window closed in autocommand Commit: https://github.com/vim/vim/commit/8ab375706e6712308f8cf7529bcae56684a6f385 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Feb 3 21:56:59 2021 +0100 patch 8.2.2464: using freed memory if window closed in autocommand Problem: Using freed memory if window closed in autocommand. (houyunsong) Solution: Check the window still exists.

# The most simplistic Makefile, for MinGW and Cygwin gcc on MS-DOS

ifndef USEDLL
USEDLL = no
endif

ifeq (yes, $(USEDLL))
DEFINES =
LIBS    = -lc
else
DEFINES =
LIBS    =
endif

CC = gcc
CFLAGS = -O2 -Wall -DWIN32 $(DEFINES)

ifneq (sh.exe, $(SHELL))
DEL = rm
else
DEL = del
endif

xxd.exe: xxd.c
	$(CC) $(CFLAGS) -s -o xxd.exe xxd.c $(LIBS)

clean:
	-$(DEL) xxd.exe