patch 8.0.1420: accessing freed memory in vimgrep commit https://github.com/vim/vim/commit/3c09722600e3218905b5d4a7b635a9e6560f87b3 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Dec 21 20:54:49 2017 +0100 patch 8.0.1420: accessing freed memory in vimgrep Problem: Accessing freed memory in vimgrep. Solution: Check that the quickfix list is still valid. (Yegappan Lakshmanan, closes #2474)

/* vi:set ts=8 sts=4 sw=4 noet:
 *
 * VIM - Vi IMproved	by Bram Moolenaar
 *
 * Do ":help uganda"  in Vim to read copying and usage conditions.
 * Do ":help credits" in Vim to see a list of people who contributed.
 */

#ifdef __QNXNTO__
# include <sys/procmgr.h>
#endif

#define	USE_TMPNAM

#define POSIX	    /* Used by pty.c */

#if defined(FEAT_GUI_PHOTON)
extern int is_photon_available;
#endif