patch 8.0.0183: ubsan warns for unaligned address commit https://github.com/vim/vim/commit/7173b47958a238bb07f80b8f26fb232b0ea69b4a Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 14 17:04:38 2017 +0100 patch 8.0.0183: ubsan warns for unaligned address Problem: Ubsan warns for using a pointer that is not aligned. Solution: First copy the address. (Yegappan Lakshmanan)

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}\")