Fix running on debug + clang + ARM64 + --link-natives-lazily.

runtime/vm/native_entry.h

Index: runtime/vm/native_entry.h
diff --git a/runtime/vm/native_entry.h b/runtime/vm/native_entry.h
index 2e90ffce1eb93760b384d25bc7c9ee2a6647ee6d..9557073c974a2959529eb22f77ceb9a2c921e82e 100644
--- a/runtime/vm/native_entry.h
+++ b/runtime/vm/native_entry.h
@@ -120,7 +120,11 @@ class NativeEntry : public AllStatic {
 
   static uword LinkNativeCallEntry();
   static void LinkNativeCall(Dart_NativeArguments args);
+
  private:
+  static void NativeCallWrapperNoStackCheck(Dart_NativeArguments args,
+                                            Dart_NativeFunction func);
+
   static bool ReturnValueIsError(NativeArguments* arguments);
   static void PropagateErrors(NativeArguments* arguments);
 };