commit https://github.com/vim/vim/commit/54c10ccf9274880e83093a99690e7bfa9a2d2fa8 Author: Bram Moolenaar <Bram@vim.org> Date: Wed May 25 22:00:11 2016 +0200 patch 7.4.1846 Problem: Ubsan detects a multiplication overflow. Solution: Don't use orig_mouse_time when it's zero. (Dominique Pelle)

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}\")