patch 8.2.3822: leaking memory in map() and filter(), no string in Vim9 Commit: https://github.com/vim/vim/commit/2d877599ee1cede063ef4abe3a2272e67c116238 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Dec 16 08:21:09 2021 +0000 patch 8.2.3822: leaking memory in map() and filter(), no string in Vim9 Problem: Leaking memory in map() and filter(), cannot use a string argument in Vim9 script. Solution: Fix the leak, adjust the argument check, also run the tests as Vim9 script. (Yegappan Lakshmanan, closes #9354)

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}\")