patch 8.2.2590: Vim9: default argument value may cause internal error Commit: https://github.com/vim/vim/commit/12bce95887f7c5f07a7bdb7b4485b53d074ccc0a Author: Bram Moolenaar <Bram@vim.org> Date: Thu Mar 11 20:04:04 2021 +0100 patch 8.2.2590: Vim9: default argument value may cause internal error Problem: Vim9: default argument value may cause internal error. Solution: Hide later function arguments when compiling the expression. (closes #7948)

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}\")