More tests updated to optimize code (Part 2).

tests/language/range_analysis_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.
 // Dart test program for constructors and initializers.
+// VMOptions=--optimization-counter-threshold=10 --no-use-osr
 
 import "package:expect/expect.dart";
 
 // Check that range analysis does not enter infinite loop trying to propagate
 // ranges through dependant phis.
 bar() {
   var sum = 0;
   for (var i = 0; i < 10; i++) {
     for (var j = i - 1; j >= 0; j--) {
       for (var k = j; k < i; k++) {
         sum += (i + j + k);
       }
     }
   }
   return sum;
 }
 
 test1() {
-  for (var i = 0; i < 1000; i++) bar();
+  for (var i = 0; i < 20; i++) bar();
 }
 
 // Check that range analysis does not erroneously remove overflow check.
 test2() {
   var width = 1073741823;
   Expect.equals(width - 1, foo(width - 5000, width - 1));
   Expect.equals(width, foo(width - 5000, width));
 }
 
 foo(n, w) {
@@ skipping 43 matching lines @@
     if (i < 0) throw "unreachable";
   }
   return i;
 }
 
 h(n) {
   var i;
   for (i = 0; i < n; i++) {
     if (i < 0) throw "unreachable";
     var j = i - 1;
-    if (j >= n - 1) throw "unreachable"; 
+    if (j >= n - 1) throw "unreachable";
   }
   return i;
 }
 
 
 test3() {
   test_fun(fun) {
     Expect.equals(2, fun(0, 1));
     Expect.equals(3, fun(0, 0));
-    for (var i = 0; i < 2000; i++) fun(0, 1);
+    for (var i = 0; i < 20; i++) fun(0, 1);
     Expect.equals(2, fun(0, 1));
     Expect.equals(3, fun(0, 0));
   }
-  
+
   test_fun(f);
   test_fun(f1);
   test_fun(f2);
 
   Expect.equals(10, g());
-  for (var i = 0; i < 2000; i++) g();
+  for (var i = 0; i < 20; i++) g();
   Expect.equals(10, g());
 
 
   Expect.equals(10, h(10));
-  for (var i = 0; i < 2000; i++) h(10);
+  for (var i = 0; i < 20; i++) h(10);
   Expect.equals(10, h(10));
 }
 
 
 main() {
   test1();
   test2();
   test3();
 }