Begins work on ARM64, first assembler test.

runtime/vm/find_code_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.
 
+// TODO(zra): Remove when tests are ready to enable.
+#include "platform/globals.h"
+#if !defined(TARGET_ARCH_ARM64)
+
 #include "platform/assert.h"
 #include "vm/class_finalizer.h"
 #include "vm/compiler.h"
 #include "vm/object.h"
 #include "vm/pages.h"
 #include "vm/stack_frame.h"
 #include "vm/symbols.h"
 #include "vm/unit_test.h"
 
 namespace dart {
@@ skipping 134 matching lines @@
   EXPECT(code.Size() > 16);
   pc = code.EntryPoint() + 16;
   EXPECT(code.Size() > (PageSpace::kPageSizeInWords << kWordSizeLog2));
   EXPECT(Code::LookupCode(pc) == code.raw());
   EXPECT(code.Size() > (1 * MB));
   pc = code.EntryPoint() + (1 * MB);
   EXPECT(Code::LookupCode(pc) == code.raw());
 }
 
 }  // namespace dart
+
+#endif  // !defined(TARGET_ARCH_ARM64)