Merge branch 'master' into harmony-v3.0.24

2017-07-08 13:12:54 +08:00
parent e7334b4048 bd7be07c38
commit a556dd2dcb
15 changed files with 706 additions and 228 deletions
--- a/lib/ast.js
+++ b/lib/ast.js
@@ -1160,7 +1160,7 @@ TreeWalker.prototype = {
        if (!ret && descend) {
            descend.call(node);
        }
-        this.pop(node);
+        this.pop();
        return ret;
    },
    parent: function(n) {
@@ -1179,8 +1179,8 @@ TreeWalker.prototype = {
        }
        this.stack.push(node);
    },
-    pop: function(node) {
-        this.stack.pop();
+    pop: function() {
+        var node = this.stack.pop();
        if (node instanceof AST_Lambda || node instanceof AST_Class) {
            this.directives = Object.getPrototypeOf(this.directives);
        }