commit https://github.com/vim/vim/commit/b62cc36a600e2e1e5a1d1d484fef89898c847c4c Author: Bram Moolenaar <Bram@vim.org> Date: Sat Sep 3 16:43:53 2016 +0200 patch 7.4.2313 Problem: Crash when deleting an augroup and listing an autocommand. (Dominique Pelle) Solution: Make sure deleted_augroup is valid.

TYPEMAP
VIWIN	T_VIOBJNOMUNGE
VIBUF	T_VIOBJNOMUNGE

INPUT
T_VIOBJNOMUNGE
	if (sv_isa($arg, \"${ntype}\")) {
	    IV tmp = SvIV((SV*)SvRV($arg));
	    $var = INT2PTR($type, tmp);
	    if (!tmp)
		croak(\"$ntype no longer exists\");
	}
	else
	    croak(\"$var is not of type ${ntype}\")