Initialize byte_index_

runtime/vm/object.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_OBJECT_H_
 #define VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 3986 matching lines @@
   // Encode integer in SLEB128 format.
   static void EncodeInteger(GrowableArray<uint8_t>* data, intptr_t value);
 
   // Decode SLEB128 encoded integer. Update byte_index to the next integer.
   intptr_t DecodeInteger(intptr_t* byte_index) const;
 
   class Iterator : ValueObject {
    public:
     explicit Iterator(const CodeSourceMap& code_source_map)
         : code_source_map_(code_source_map),
+          byte_index_(0),
           cur_pc_offset_(0),
           cur_token_pos_(0) {
     }
 
     bool MoveNext() {
       // Moves to the next record.
       while (byte_index_ < code_source_map_.Length()) {
         cur_pc_offset_ += code_source_map_.DecodeInteger(&byte_index_);
         cur_token_pos_ += code_source_map_.DecodeInteger(&byte_index_);
 
@@ skipping 4359 matching lines @@
 
 
 RawObject* MegamorphicCache::GetTargetFunction(const Array& array,
                                                intptr_t index) {
   return array.At((index * kEntryLength) + kTargetFunctionIndex);
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_