commit https://github.com/vim/vim/commit/9730f74a0b2acb490943393a203a24ab8fab923a Author: Bram Moolenaar <Bram@vim.org> Date: Sun Feb 28 19:50:51 2016 +0100 patch 7.4.1454 Problem: The exit callback test is flaky. Solution: Loop to wait for a short time up to a second.

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}\")