Revert of Remove redundant ParseInfo::scope_.

src/parsing/parser.cc

 // Copyright 2012 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.
 
 #include "src/parsing/parser.h"
 
 #include <memory>
 
 #include "src/api.h"
 #include "src/ast/ast.h"
@@ skipping 40 matching lines @@
       script_scope_(nullptr),
       unicode_cache_(nullptr),
       stack_limit_(0),
       hash_seed_(0),
       compiler_hints_(0),
       start_position_(0),
       end_position_(0),
       isolate_(nullptr),
       cached_data_(nullptr),
       ast_value_factory_(nullptr),
-      literal_(nullptr) {}
+      literal_(nullptr),
+      scope_(nullptr) {}
 
 ParseInfo::ParseInfo(Zone* zone, Handle<JSFunction> function)
     : ParseInfo(zone, Handle<SharedFunctionInfo>(function->shared())) {
   set_context(Handle<Context>(function->context()));
 }
 
 
 ParseInfo::ParseInfo(Zone* zone, Handle<SharedFunctionInfo> shared)
     : ParseInfo(zone) {
   isolate_ = shared->GetIsolate();
@@ skipping 7087 matching lines @@
   node->Print(Isolate::Current());
 }
 #endif  // DEBUG
 
 #undef CHECK_OK
 #undef CHECK_OK_VOID
 #undef CHECK_FAILED
 
 }  // namespace internal
 }  // namespace v8