Merge pull request #3968 from lydell/nodes-tokens-errors

Fix `CoffeeScript.nodes(tokens)`; fix the repl

lib/coffee-script/coffee-script.js

@@ -34,6 +34,9 @@
         return fn.call(this, code, options);
       } catch (_error) {
         err = _error;
+        if (typeof code !== 'string') {
+          throw err;
+        }
         throw helpers.updateSyntaxError(err, code, options.filename);
       }
     };