commit https://github.com/vim/vim/commit/170b10b421f0c9fda08b7cfd3bb043c064f3659a Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jul 29 16:15:27 2016 +0200 patch 7.4.2113 Problem: Test for undo is flaky. Solution: Turn it into a new style test. Use test_settime() to avoid flakyness.

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}\")