Enables first codegen test on arm64.

runtime/vm/code_generator_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/globals.h"
 #include "vm/ast.h"
 #include "vm/assembler.h"
 #include "vm/class_finalizer.h"
 #include "vm/code_generator.h"
 #include "vm/compiler.h"
 #include "vm/dart_entry.h"
 #include "vm/native_entry.h"
 #include "vm/native_entry_test.h"
 #include "vm/symbols.h"
 #include "vm/unit_test.h"
 #include "vm/virtual_memory.h"
 
 namespace dart {
 
 static const intptr_t kPos = Scanner::kNoSourcePos;
 
 
 CODEGEN_TEST_GENERATE(SimpleReturnCodegen, test) {
   test->node_sequence()->Add(new ReturnNode(kPos));
 }
 CODEGEN_TEST_RUN(SimpleReturnCodegen, Instance::null())
 
+// TODO(zra): Remove when tests are ready to enable.
+#if !defined(TARGET_ARCH_ARM64)
 
 CODEGEN_TEST_GENERATE(SmiReturnCodegen, test) {
   LiteralNode* l = new LiteralNode(kPos, Smi::ZoneHandle(Smi::New(3)));
   test->node_sequence()->Add(new ReturnNode(kPos, l));
 }
 CODEGEN_TEST_RUN(SmiReturnCodegen, Smi::New(3))
 
 
 CODEGEN_TEST2_GENERATE(SimpleStaticCallCodegen, function, test) {
   // Wrap the SmiReturnCodegen test above as a static function and call it.
@@ skipping 519 matching lines @@
   // App lib is the last one that was loaded.
   intptr_t num_libs = libs.Length();
   Library& app_lib = Library::Handle();
   app_lib ^= libs.At(num_libs - 1);
   ASSERT(!app_lib.IsNull());
   const Class& cls = Class::Handle(
       app_lib.LookupClass(String::Handle(Symbols::New("A"))));
   EXPECT_EQ(cls.raw(), result.clazz());
 }
 
+#endif  // !defined(TARGET_ARCH_ARM64)
+
 }  // namespace dart
-
-#endif  // !defined(TARGET_ARCH_ARM64)