commit https://github.com/vim/vim/commit/16ec3c9be3fcdc38530bddb12978bc5a7b98c0f6 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jul 18 22:22:39 2016 +0200 patch 7.4.2067 Problem: Compiler warning for char/char_u conversion. (Tony Mechelynck) Inefficient code. Solution: Use more lines to fill with spaces. (Nikolai Pavlov) Add type cast.

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}\")