patch 8.2.5072: using uninitialized value and freed memory in spell command Commit: https://github.com/vim/vim/commit/2813f38e021c6e6581c0c88fcf107e41788bc835 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jun 9 19:54:24 2022 +0100 patch 8.2.5072: using uninitialized value and freed memory in spell command Problem: Using uninitialized value and freed memory in spell command. Solution: Initialize "attr". Check for empty line early.

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}\")