- Change "static final" to "static const" in the

pkg/fixnum/int64.dart

 // 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.
 
 /**
  * An immutable 64-bit signed integer, in the range [-2^63, 2^63 - 1].
  * Arithmetic operations may overflow in order to maintain this range.
  */
 class int64 implements intx {
 
   // A 64-bit integer is represented internally as three non-negative
   // integers, storing the 22 low, 22 middle, and 20 high bits of the
   // 64-bit value.  _l (low) and _m (middle) are in the range
   // [0, 2^22 - 1] and _h (high) is in the range [0, 2^20 - 1].
   int _l, _m, _h;
 
   // Note: instances of int64 are immutable outside of this library,
   // therefore we may return a reference to an existing instance.
   // We take care to perform mutation only on internally-generated
   // instances before they are exposed to external code.
 
   // Note: several functions require _BITS == 22 -- do not change this value.
-  static final int _BITS = 22;
-  static final int _BITS01 = 44; // 2 * _BITS
-  static final int _BITS2 = 20; // 64 - _BITS01
-  static final int _MASK = 4194303; // (1 << _BITS) - 1
-  static final int _MASK_2 = 1048575; // (1 << _BITS2) - 1
-  static final int _SIGN_BIT = 19; // _BITS2 - 1
-  static final int _SIGN_BIT_VALUE = 524288; // 1 << _SIGN_BIT
+  static const int _BITS = 22;
+  static const int _BITS01 = 44; // 2 * _BITS
+  static const int _BITS2 = 20; // 64 - _BITS01
+  static const int _MASK = 4194303; // (1 << _BITS) - 1
+  static const int _MASK_2 = 1048575; // (1 << _BITS2) - 1
+  static const int _SIGN_BIT = 19; // _BITS2 - 1
+  static const int _SIGN_BIT_VALUE = 524288; // 1 << _SIGN_BIT
 
   // Cached constants
   static int64 _MAX_VALUE;
   static int64 _MIN_VALUE;
   static int64 _ZERO;
   static int64 _ONE;
   static int64 _TWO;
 
   // Precompute the radix strings for MIN_VALUE to avoid the problem
   // of overflow of -MIN_VALUE.
@@ skipping 1046 matching lines @@
         }
       }
       return ZERO;
     }
 
     // Generate the quotient using bit-at-a-time long division.
     return _divModHelper(aIsCopy ? a : new int64._copy(a), b, negative,
         aIsNegative, aIsMinValue, computeRemainder);
   }
 }