Language tests updated to use const instead of final.

tests/language/compile_time_constant_i_test.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.
 
 class A {
   final x;
   const A(this.x);
   const A.redirect(x) : this(x + 1);
   const A.optional([this.x = 5]);
 }
@@ skipping 12 matching lines @@
   const C(x, y, this.z) : super(x, y);
   const C.redirect(x, y, z) : this(x + 33, y + 33, z + 33);
   const C.redirect2(x, y, z) : this.redirect3(x + 333, y + 333, z + 333);
   const C.redirect3(x, y, z) : this.z = z, super.redirect2(x, y);
   const C.optional(x, [y, this.z]) : super(x, y);
   const C.optional2([x, y, z]): this.z = z, super(x, y);
   const C.optional3([this.z]) : super.optional2();
   final z;
 }
 
-final a1 = const A(499);
-final a2 = const A.redirect(10499);
-final a3 = const A.optional();
-final a1b = const A.redirect(498);
-final a3b = const A(5);
+const a1 = const A(499);
+const a2 = const A.redirect(10499);
+const a3 = const A.optional();
+const a1b = const A.redirect(498);
+const a3b = const A(5);
 
-final b1 = const B(99499, -99499);
-final b2 = const B.redirect(1234, 5678);
-final b3 = const B.redirect2(112233, 556677);
-final b4 = const B.redirect3(332211, 776655);
-final b5 = const B.optional(43526);
-final b6 = const B.optional2(y: 9753, x:8642);
-final b3b = const B(112233 + 122 + 1, 556677 + 122);
-final b6b = const B(8642, 9753);
+const b1 = const B(99499, -99499);
+const b2 = const B.redirect(1234, 5678);
+const b3 = const B.redirect2(112233, 556677);
+const b4 = const B.redirect3(332211, 776655);
+const b5 = const B.optional(43526);
+const b6 = const B.optional2(y: 9753, x:8642);
+const b3b = const B(112233 + 122 + 1, 556677 + 122);
+const b6b = const B(8642, 9753);
 
-final c1 = const C(121, 232, 343);
-final c2 = const C.redirect(12321, 23432, 34543);
-final c3 = const C.redirect2(32123, 43234, 54345);
-final c4 = const C.redirect3(313, 424, 535);
-final c5 = const C.optional(191, 181, 171);
-final c6 = const C.optional(-191);
-final c7 = const C.optional2();
-final c8 = const C.optional3(9911);
-final c3b = const C(32123 + 333 + 122 + 1, 43234 + 333 + 122, 54345 + 333);
+const c1 = const C(121, 232, 343);
+const c2 = const C.redirect(12321, 23432, 34543);
+const c3 = const C.redirect2(32123, 43234, 54345);
+const c4 = const C.redirect3(313, 424, 535);
+const c5 = const C.optional(191, 181, 171);
+const c6 = const C.optional(-191);
+const c7 = const C.optional2();
+const c8 = const C.optional3(9911);
+const c3b = const C(32123 + 333 + 122 + 1, 43234 + 333 + 122, 54345 + 333);
 
 main() {
   Expect.equals(499, a1.x);
   Expect.equals(10500, a2.x);
   Expect.equals(5, a3.x);
   Expect.identical(a1, a1b);
   Expect.identical(a3, a3b);
 
   Expect.equals(99499, b1.x);
   Expect.equals(-99499, b1.y);
@@ skipping 29 matching lines @@
   Expect.equals(null, c6.y);
   Expect.equals(null, c6.z);
   Expect.equals(null, c7.x);
   Expect.equals(null, c7.y);
   Expect.equals(null, c7.z);
   Expect.equals(null, c8.x);
   Expect.equals(null, c8.y);
   Expect.equals(9911, c8.z);
   Expect.identical(c3, c3b);
 }