patch 8.2.1349: Vim9: can define a function with the name of an import Commit: https://github.com/vim/vim/commit/eef2102e20d24f5fbd1c9f53c7a35df61585c5ab Author: Bram Moolenaar <Bram@vim.org> Date: Sat Aug 1 22:16:43 2020 +0200 patch 8.2.1349: Vim9: can define a function with the name of an import Problem: Vim9: can define a function with the name of an import. Solution: Disallow using an existing name. (closes https://github.com/vim/vim/issues/6585)

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}\")