commit https://github.com/vim/vim/commit/580164481924ed8611eb79f0247a0eb1ca0b3b9a Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jul 31 18:30:22 2016 +0200 patch 7.4.2136 Problem: Closure function fails. Solution: Don't reset uf_scoped when it points to another funccal.

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}\")