patch 9.0.1320: checking the type of a null object causes a crash Commit: https://github.com/vim/vim/commit/0917e867632199883c07c2d7534f7091b1d12607 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Feb 18 14:42:44 2023 +0000 patch 9.0.1320: checking the type of a null object causes a crash Problem: Checking the type of a null object causes a crash. Solution: Don't try to get the class of a null object. (closes https://github.com/vim/vim/issues/12005) Handle error from calling a user function better.

/* 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