Fix implicit super constructor calls for sub-classes of native field wrappers.

runtime/vm/dart_api_impl_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 "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/json.h"
 #include "platform/utils.h"
 #include "vm/class_finalizer.h"
 #include "vm/dart_api_impl.h"
@@ skipping 3024 matching lines @@
   EXPECT(Dart_IsError(result));
   Dart_Handle expected_error = Dart_Error(
       "'dart:test-lib': Error: line 1 pos 38: "
       "class 'NativeFields' is trying to extend a native fields class, "
       "but library '%s' has no native resolvers",
       TestCase::url());
   EXPECT_SUBSTRING(Dart_GetError(expected_error), Dart_GetError(result));
 }
 
 
+TEST_CASE(InjectNativeFieldsSuperClass) {
+  const char* kScriptChars =
+      "#import('dart:nativewrappers');"
+      "class NativeFieldsSuper extends NativeFieldWrapperClass1 {\n"
+      "  NativeFieldsSuper() : fld1 = 42 {}\n"
+      "  int fld1;\n"
+      "}\n"
+      "class NativeFields extends NativeFieldsSuper {\n"
+      "  fld() => fld1;\n"
+      "}\n"
+      "int testMain() {\n"
+      "  NativeFields obj = new NativeFields();\n"
+      "  return obj.fld();\n"
+      "}\n";
+  Dart_Handle result;
+  // Load up a test script in the test library.
+  Dart_Handle lib = TestCase::LoadTestScript(kScriptChars, native_field_lookup);
+
+  // Invoke a function which returns an object of type NativeFields.
+  result = Dart_Invoke(lib, Dart_NewString("testMain"), 0, NULL);
+
+  EXPECT_VALID(result);
+  EXPECT(Dart_IsInteger(result));
+  int64_t value = 0;
+  result = Dart_IntegerToInt64(result, &value);
+  EXPECT_VALID(result);
+  EXPECT_EQ(42, value);
+}
+
+
 static void TestNativeFields(Dart_Handle retobj) {
   // Access and set various instance fields of the object.
   Dart_Handle result = Dart_GetField(retobj, Dart_NewString("fld3"));
   EXPECT(Dart_IsError(result));
   result = Dart_GetField(retobj, Dart_NewString("fld0"));
   EXPECT_VALID(result);
   EXPECT(Dart_IsNull(result));
   result = Dart_GetField(retobj, Dart_NewString("fld1"));
   EXPECT_VALID(result);
   int64_t value = 0;
@@ skipping 4058 matching lines @@
     EXPECT(o2 == reinterpret_cast<void*>(&p2));
   }
   Dart_ExitScope();
   isolate->heap()->CollectGarbage(Heap::kOld);
   EXPECT_EQ(0, isolate->heap()->PeerCount());
 }
 
 #endif  // defined(TARGET_ARCH_IA32) || defined(TARGET_ARCH_X64).
 
 }  // namespace dart