8338010: WB_IsFrameDeoptimized miss ResourceMark

Reviewed-by: dholmes, shade

src/hotspot/share/prims/whitebox.cpp

@@ -799,6 +799,7 @@ WB_END
 WB_ENTRY(jboolean, WB_IsFrameDeoptimized(JNIEnv* env, jobject o, jint depth))
   bool result = false;
   if (thread->has_last_Java_frame()) {
+    ResourceMark rm(THREAD);
     RegisterMap reg_map(thread,
                         RegisterMap::UpdateMap::include,
                         RegisterMap::ProcessFrames::include,