patch 8.1.0232: Ruby error does not include backtrace commit https://github.com/vim/vim/commit/f711cb2f12458d32e082c0e3d4103e2b072947c3 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Aug 1 18:42:13 2018 +0200 patch 8.1.0232: Ruby error does not include backtrace Problem: Ruby error does not include backtrace. Solution: Add an error backtrace. (Masataka Pocke Kuwabara, closes https://github.com/vim/vim/issues/3267)

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}\")