patch 8.2.0368: Vim9: import that redefines local variable does not fail Commit: https://github.com/vim/vim/commit/5269bd2a724fdb8c16c9635ef744a670f1bc8bd5 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Mar 9 19:25:27 2020 +0100 patch 8.2.0368: Vim9: import that redefines local variable does not fail Problem: Vim9: import that redefines local variable does not fail. Solution: Check for already defined symbols.

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}\")