More tests updated to optimize code (Part 2).

tests/language/mint_arithmetic_test.dart

Index: tests/language/mint_arithmetic_test.dart
===================================================================
--- tests/language/mint_arithmetic_test.dart	(revision 24922)
+++ tests/language/mint_arithmetic_test.dart	(working copy)
@@ -1,6 +1,7 @@
 // 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.
+// VMOptions=--optimization-counter-threshold=10 --no-use-osr
 
 import "package:expect/expect.dart";
 
@@ -14,7 +15,7 @@
       return t == b;
     }
     var x = 0xffffffff;
-    for (var i = 0; i < 10000; i++) f(x, 0);
+    for (var i = 0; i < 20; i++) f(x, 0);
     Expect.equals(true, f(x, 0));
     Expect.equals(false, f(x, -1));  // Triggers deoptimization.
   } finally { }
@@ -26,7 +27,7 @@
       return a & b;
     }
     var x = 0xffffffff;
-    for (var i = 0; i < 10000; i++) f(x, x);
+    for (var i = 0; i < 20; i++) f(x, x);
     Expect.equals(x, f(x, x));
     Expect.equals(1234, f(0xffffffff, 1234));
     Expect.equals(0x100000001, f(0x100000001,-1));
@@ -44,7 +45,7 @@
       return t;
     }
     var x = 0xffffffff;
-    for (var i = 0; i < 10000; i++) f(x, x);
+    for (var i = 0; i < 20; i++) f(x, x);
     Expect.equals(0, f(x, x));
     Expect.equals(-x - 1, f(x, -1));
     var y  = 0xffffffffffffffff;
@@ -60,7 +61,7 @@
       return t;
     }
     var x = 0xffffffff;
-    for (var i = 0; i < 10000; i++) f(x, x);
+    for (var i = 0; i < 20; i++) f(x, x);
     Expect.equals(x, f(x, x));
     Expect.equals(-1, f(x, -1));
     var y  = 0xffffffffffffffff;
@@ -71,7 +72,7 @@
 test_func(x, y) => (x & y) + 1.0;
 
 test_mint_double_op() {
-  for (var i=0; i<10000; i++) test_func(4294967295, 1);
+  for (var i = 0; i < 20; i++) test_func(4294967295, 1);
   Expect.equals(2.0, test_func(4294967295, 1));
 }