Fix a potential overflow in SortedListBSearch

src/utils.h

 // 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.
 
 #ifndef V8_UTILS_H_
 #define V8_UTILS_H_
 
 #include <limits.h>
 #include <stdlib.h>
 #include <string.h>
@@ skipping 1076 matching lines @@
 
   static BailoutId None() { return BailoutId(kNoneId); }
   static BailoutId FunctionEntry() { return BailoutId(kFunctionEntryId); }
   static BailoutId Declarations() { return BailoutId(kDeclarationsId); }
   static BailoutId FirstUsable() { return BailoutId(kFirstUsableId); }
   static BailoutId StubEntry() { return BailoutId(kStubEntryId); }
 
   bool IsNone() const { return id_ == kNoneId; }
   bool operator==(const BailoutId& other) const { return id_ == other.id_; }
   bool operator!=(const BailoutId& other) const { return id_ != other.id_; }
+  bool operator<(const BailoutId& other) const { return id_ < other.id_; }
 
  private:
   static const int kNoneId = -1;
 
   // Using 0 could disguise errors.
   static const int kFunctionEntryId = 2;
 
   // This AST id identifies the point after the declarations have been visited.
   // We need it to capture the environment effects of declarations that emit
   // code (function declarations).
@@ skipping 501 matching lines @@
   }
 
   *index = result;
   return true;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_UTILS_H_