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

src/list.h

Index: src/list.h
diff --git a/src/list.h b/src/list.h
index 33267bd61117035d26341e1980ec5f5c1bda4dff..055870904e09cf36574ee0cb3e044b93516b312e 100644
--- a/src/list.h
+++ b/src/list.h
@@ -168,6 +168,15 @@ 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_