[builtins] support exception handling in TFJ builtins

src/compiler/schedule.h

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_COMPILER_SCHEDULE_H_
 #define V8_COMPILER_SCHEDULE_H_
 
 #include <iosfwd>
 
 #include "src/zone-containers.h"
@@ skipping 78 matching lines @@
   iterator end() { return nodes_.end(); }
 
   typedef NodeVector::const_iterator const_iterator;
   const_iterator begin() const { return nodes_.begin(); }
   const_iterator end() const { return nodes_.end(); }
 
   typedef NodeVector::reverse_iterator reverse_iterator;
   reverse_iterator rbegin() { return nodes_.rbegin(); }
   reverse_iterator rend() { return nodes_.rend(); }
 
+  void RemoveLast() { nodes_.pop_back(); }

[caitp, 2016/08/18 03:08:57]

oops, not really needed. thankfully.

+
   void AddNode(Node* node);
   template <class InputIterator>
   void InsertNodes(iterator insertion_point, InputIterator insertion_start,
                    InputIterator insertion_end) {
     nodes_.insert(insertion_point, insertion_start, insertion_end);
   }
 
   // Accessors.
   Control control() const { return control_; }
   void set_control(Control control);
@@ skipping 173 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(Schedule);
 };
 
 std::ostream& operator<<(std::ostream&, const Schedule&);
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_SCHEDULE_H_