bug fix

src/compiler/parse.c

@@ -1637,6 +1637,9 @@ static Node *parse_expression_2(Context *ctx, Node *left_expr, int min_prec, _Bo
 			
 			if(right_expr == NULL)
 				return NULL;				
+		
+			if(ctx->token->kind == ',' && allow_toplev_tuples == 0)
+				break;
 		}
 
 		OperExprNode *temp;