Faster IC stubs by specializing them for Binary Smi operations

runtime/vm/object_test.cc

 // 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.
 
 #include "platform/globals.h"
 
 #include "vm/assembler.h"
 #include "vm/bigint_operations.h"
 #include "vm/class_finalizer.h"
 #include "vm/dart_api_impl.h"
@@ skipping 2916 matching lines @@
                        is_native,
                        cls,
                        0);
 }
 
 
 TEST_CASE(ICData) {
   Function& function = Function::Handle(GetDummyTarget("Bern"));
   const intptr_t id = 12;
   const intptr_t num_args_tested = 1;
-  const String& target_name = String::Handle(String::New("Thun"));
+  const String& target_name = String::Handle(Symbols::New("Thun"));
   const Array& args_descriptor =
       Array::Handle(ArgumentsDescriptor::New(1, Object::null_array()));
   ICData& o1 = ICData::Handle();
   o1 = ICData::New(function, target_name, args_descriptor, id, num_args_tested);
   EXPECT_EQ(1, o1.NumArgsTested());
   EXPECT_EQ(id, o1.deopt_id());
   EXPECT_EQ(function.raw(), o1.owner());
   EXPECT_EQ(0, o1.NumberOfChecks());
   EXPECT_EQ(target_name.raw(), o1.target_name());
   EXPECT_EQ(args_descriptor.raw(), o1.arguments_descriptor());
@@ skipping 1297 matching lines @@
   EXPECT_VALID(h_result);
   Integer& result = Integer::Handle();
   result ^= Api::UnwrapHandle(h_result);
   String& foo = String::Handle(String::New("foo"));
   Integer& expected = Integer::Handle();
   expected ^= foo.HashCode();
   EXPECT(result.IsIdenticalTo(expected));
 }
 
 }  // namespace dart