Support for precise stepping in functions compiled before debugging was started (step 1)

src/list.h

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 150 matching lines @@
   void Resize(int new_capacity);
 
   DISALLOW_COPY_AND_ASSIGN(List);
 };
 
 class Map;
 class Code;
 typedef List<Map*> MapList;
 typedef List<Code*> CodeList;
 
+// Perform binary search for an element in an already sorted
+// list. Returns the index of the element of -1 if it was not found.
+template <typename T>
+int SortedListBSearch(
+    const List<T>& list, T elem, int (*cmp)(const T* x, const T* y));
+template <typename T>
+int SortedListBSearch(const List<T>& list, T elem);
+
 } }  // namespace v8::internal
 
+
 #endif  // V8_LIST_H_