patch 8.1.1895: using NULL pointer when out of memory commit https://github.com/vim/vim/commit/6f10c70b59fa4e56aa479345fb0caeaac7429bfb Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 20 22:58:37 2019 +0200 patch 8.1.1895: using NULL pointer when out of memory Problem: Using NULL pointer when out of memory. Solution: Bail out or skip the code using the pointer. (Zu-Ming Jiang, closes #4805, closes #4843, closes #4939, closes #4844)

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}\")