patch 8.0.0374: invalid memory access when using :sc in Ex mode commit https://github.com/vim/vim/commit/ba748c8a847561c043a63827bcb1d98bdebe16e6 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Feb 26 14:00:07 2017 +0100 patch 8.0.0374: invalid memory access when using :sc in Ex mode Problem: Invalid memory access when using :sc in Ex mode. (Dominique Pelle) Solution: Avoid the column being negative. Also fix a hang in Ex mode.

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}\")