diff --git a/runtime/interpreter/unstarted_runtime.cc b/runtime/interpreter/unstarted_runtime.cc
index 80554c2..eb0a9d1 100644
--- a/runtime/interpreter/unstarted_runtime.cc
+++ b/runtime/interpreter/unstarted_runtime.cc
@@ -1672,6 +1672,12 @@
   }
 }
 
+void UnstartedRuntime::UnstartedSystemIdentityHashCode(
+    Thread* self ATTRIBUTE_UNUSED, ShadowFrame* shadow_frame, JValue* result, size_t arg_offset)
+    REQUIRES_SHARED(Locks::mutator_lock_) {
+  mirror::Object* obj = shadow_frame->GetVRegReference(arg_offset);
+  result->SetI((obj != nullptr) ? obj->IdentityHashCode() : 0);
+}
 
 void UnstartedRuntime::UnstartedJNIVMRuntimeNewUnpaddedArray(
     Thread* self, ArtMethod* method ATTRIBUTE_UNUSED, mirror::Object* receiver ATTRIBUTE_UNUSED,
@@ -1836,13 +1842,6 @@
   }
 }
 
-void UnstartedRuntime::UnstartedJNISystemIdentityHashCode(
-    Thread* self ATTRIBUTE_UNUSED, ArtMethod* method ATTRIBUTE_UNUSED,
-    mirror::Object* receiver ATTRIBUTE_UNUSED, uint32_t* args, JValue* result) {
-  mirror::Object* obj = reinterpret_cast<mirror::Object*>(args[0]);
-  result->SetI((obj != nullptr) ? obj->IdentityHashCode() : 0);
-}
-
 void UnstartedRuntime::UnstartedJNIByteOrderIsLittleEndian(
     Thread* self ATTRIBUTE_UNUSED, ArtMethod* method ATTRIBUTE_UNUSED,
     mirror::Object* receiver ATTRIBUTE_UNUSED, uint32_t* args ATTRIBUTE_UNUSED, JValue* result) {