Migrate the language tests up to arithmetic_test.

tests/language/allocation_sinking_inlining_test.dart

Index: tests/language/allocation_sinking_inlining_test.dart
diff --git a/tests/language/allocation_sinking_inlining_test.dart b/tests/language/allocation_sinking_inlining_test.dart
deleted file mode 100644
index 6ed55015a9026f6e2348018e4177cc498c060a55..0000000000000000000000000000000000000000
--- a/tests/language/allocation_sinking_inlining_test.dart
+++ /dev/null
@@ -1,35 +0,0 @@
-// Copyright (c) 2013, 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 --no-background-compilation
-
-// Test allocation sinking with polymorphic inlining.
-
-import "package:expect/expect.dart";
-
-class A {
-  foo(x) => ++x.f;
-}
-
-class B {
-  foo(x) => --x.f;
-}
-
-class C {
-  int f = 0;
-}
-
-test(obj) {
-  var c = new C();
-  return obj.foo(c);
-}
-
-main() {
-  var a = new A();
-  var b = new B();
-  Expect.equals(1, test(a));
-  Expect.equals(-1, test(b));
-  for (var i = 0; i < 20; i++) test(a);
-  Expect.equals(1, test(a));
-  Expect.equals(-1, test(b));
-}