Use the return value of vm native methods to set the return value,

vm/code_descriptors_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/assert.h"
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_IA32) || defined(TARGET_ARCH_X64)
 
 #include "vm/ast.h"
 #include "vm/assembler.h"
@@ skipping 164 matching lines @@
     retval = true;
   } else {
     retval = false;
   }
   EXPECT(retval);
   isolate->set_long_jump_base(base);
 }
 CODEGEN_TEST_RUN(StackmapCodegen, Smi::New(1))
 
 
-DEFINE_NATIVE_ENTRY(NativeFunc, 2) {
-  GET_NATIVE_ARGUMENT(Smi, i, arguments->At(0));
-  GET_NATIVE_ARGUMENT(Smi, k, arguments->At(1));
-  EXPECT_EQ(10, i.Value());
-  EXPECT_EQ(20, k.Value());
+static void NativeFunc(Dart_NativeArguments args) {
+  Dart_EnterScope();
+  Dart_Handle i = Dart_GetNativeArgument(args, 0);
+  Dart_Handle k = Dart_GetNativeArgument(args, 1);
+  int64_t value = -1;
+  EXPECT_VALID(Dart_IntegerToInt64(i, &value));
+  EXPECT_EQ(10, value);
+  EXPECT_VALID(Dart_IntegerToInt64(k, &value));
+  EXPECT_EQ(20, value);
   Isolate::Current()->heap()->CollectAllGarbage();
 }
 
 
 static Dart_NativeFunction native_resolver(Dart_Handle name,
                                            int argument_count) {
-  return reinterpret_cast<Dart_NativeFunction>(&DN_NativeFunc);
+  return reinterpret_cast<Dart_NativeFunction>(&NativeFunc);
 }
 
 
 TEST_CASE(StackmapGC) {
   const char* kScriptChars =
       "class A {"
       "  static void func(var i, var k) native 'NativeFunc';"
       "  static foo() {"
       "    var i;"
       "    var s1;"
@@ skipping 67 matching lines @@
   GrowableArray<const Object*> arguments;
   const Array& kNoArgumentNames = Array::Handle();
   Object& result = Object::Handle();
   result = DartEntry::InvokeStatic(function_foo, arguments, kNoArgumentNames);
   EXPECT(!result.IsError());
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_IA32 || defined(TARGET_ARCH_X64)