Feedback vector: ASAN found memory leaks during AST Numbering pass.

src/factory.h

 // Copyright 2014 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_FACTORY_H_
 #define V8_FACTORY_H_
 
 #include "src/isolate.h"
 
 namespace v8 {
@@ skipping 600 matching lines @@
 
   // Allocates a new SharedFunctionInfo object.
   Handle<SharedFunctionInfo> NewSharedFunctionInfo(
       Handle<String> name, int number_of_literals, FunctionKind kind,
       Handle<Code> code, Handle<ScopeInfo> scope_info,
       Handle<TypeFeedbackVector> feedback_vector);
   Handle<SharedFunctionInfo> NewSharedFunctionInfo(Handle<String> name,
                                                    MaybeHandle<Code> code);
 
   // Allocate a new type feedback vector
-  Handle<TypeFeedbackVector> NewTypeFeedbackVector(
-      const FeedbackVectorSpec& spec);
+  template <typename Spec>
+  Handle<TypeFeedbackVector> NewTypeFeedbackVector(const Spec* spec);
 
   // Allocates a new JSMessageObject object.
   Handle<JSMessageObject> NewJSMessageObject(
       Handle<String> type,
       Handle<JSArray> arguments,
       int start_position,
       int end_position,
       Handle<Object> script,
       Handle<Object> stack_frames);
 
@@ skipping 74 matching lines @@
   // Reinitialize a JSProxy into an (empty) JS object of respective type and
   // size, but keeping the original prototype.  The receiver must have at least
   // the size of the new object.  The object is reinitialized and behaves as an
   // object that has been freshly allocated.
   void ReinitializeJSProxy(Handle<JSProxy> proxy, InstanceType type, int size);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_FACTORY_H_