patch 8.2.2321: Vim9: cannot nest closures Commit: https://github.com/vim/vim/commit/ab360526ef653b139f4b007a0efbdb3410c8fb4b Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jan 10 14:02:28 2021 +0100 patch 8.2.2321: Vim9: cannot nest closures Problem: Vim9: cannot nest closures. Solution: Add the nesting level to ISN_LOADOUTER and ISN_STOREOUTER. (closes #7150, closes #7635)

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}\")