Port code generator to x64.

runtime/vm/stack_frame_test.cc

 // 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.
 
 #include "include/dart_api.h"
 
 #include "vm/assert.h"
 #include "vm/class_finalizer.h"
 #include "vm/compiler.h"
 #include "vm/dart_api_impl.h"
 #include "vm/dart_entry.h"
 #include "vm/resolver.h"
 #include "vm/stack_frame.h"
 #include "vm/unit_test.h"
 #include "vm/verifier.h"
 #include "vm/zone.h"
 
 namespace dart {
 
-#if defined(TARGET_ARCH_IA32)  // only ia32 can run stack frame iteration tests.
+// Only ia32 and x64 can run stack frame iteration tests.
+#if defined(TARGET_ARCH_IA32) || defined(TARGET_ARCH_X64)
 // Unit test for empty stack frame iteration.
 TEST_CASE(EmptyStackFrameIteration) {
   StackFrameIterator iterator(StackFrameIterator::kValidateFrames);
   EXPECT(!iterator.HasNextFrame());
   EXPECT(iterator.NextFrame() == NULL);
   VerifyPointersVisitor::VerifyPointers();
 }
 
 
 // Unit test for empty dart stack frame iteration.
@@ skipping 260 matching lines @@
       "}";
   Dart_Handle lib = TestCase::LoadTestScript(
       kScriptChars,
       reinterpret_cast<Dart_NativeEntryResolver>(native_lookup));
   Dart_InvokeStatic(lib,
                     Dart_NewString("StackFrame2Test"),
                     Dart_NewString("testMain"),
                     0,
                     NULL);
 }
-#endif  // TARGET_ARCH_IA32.
+#endif  // TARGET_ARCH_IA32 || TARGET_ARCH_X64.
 
 }  // namespace dart