drop unused builtin globals under unsafe (#2236)

fixes #2233
2017-07-15 15:16:11 +08:00
parent 9282e7b0c6
commit a5ffe2c23f
3 changed files with 124 additions and 48 deletions
--- a/lib/scope.js
+++ b/lib/scope.js
@@ -373,14 +373,6 @@ AST_Symbol.DEFMETHOD("unreferenced", function(){
        && !(this.scope.uses_eval || this.scope.uses_with);
 });

-AST_Symbol.DEFMETHOD("undeclared", function(){
-    return this.definition().undeclared;
-});
-
-AST_LabelRef.DEFMETHOD("undeclared", return_false);
-
-AST_Label.DEFMETHOD("undeclared", return_false);
-
 AST_Symbol.DEFMETHOD("definition", function(){
    return this.thedef;
 });