patch 8.2.4231: Vim9: map() gives type error when type was not declared Commit: https://github.com/vim/vim/commit/35c807df1f5774f09612d756ddc3cd5c44eacaca Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jan 27 16:36:29 2022 +0000 patch 8.2.4231: Vim9: map() gives type error when type was not declared Problem: Vim9: map() gives type error when type was not declared. Solution: Only check the type when it was declared, like extend() does. (closes #9635)

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}\")