test rename overhaul: step 8 - language tests

tests/language/src/DeoptimizedFunctionOnStackTest.dart

-// Copyright (c) 2011, 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.
-
-// This is a test for deoptimization infrastructure and to reproduce the
-// failure from bug 5442338.
-
-main() {
-  warmup();
-  runTest();
-}
-
-// Create a situation where method 'call' is optimized for using class A
-// when calling foo. 
-warmup() {
-  List a = [ new A(), new A(), new A(), new A()];
-  var res = 0;
-  for (int i = 0; i < 2000; i++) {
-    res = call(a, 0);
-  }
-  Expect.equals(10, res);
-}
-
-
-// Create a situation where several optimized frames of 'call' are on stack
-// when deoptimization occurs because B.foo is called. After the first
-// deoptimization, several optimized frames of 'call' are still on stack and
-// some of them will be deoptimized.
-runTest() {
-  List a = [ new A(), new A(), new B(), new A(), new B(), new B()];
-  var res = call(a, 0);
-  Expect.equals(35, res);
-}
-
-// This method will be optimized for using class A when calling 'foo' and
-// later will be deoptimized because B.foo is required.
-call(List a, int n) {
-  if (n < a.length) {
-    var sum = call(a, n + 1);
-    for (int i = n; i < a.length; i++) {
-      sum += a[i].foo();
-    }
-    return sum;
-  }
-  return 0;
-}
-
-
-class A {
-  foo() { return 1; }
-}
-
-
-class B {
-  foo() { return 2; }
-}