src/hotspot/share/runtime/thread.cpp

rev 54213 : [mq]: 8220774-handshakealot-v3

*** 2946,2955 ****
--- 2946,2963 ----
    if (jvmti_thread_state() != NULL) {
      jvmti_thread_state()->oops_do(f);
    }
  }
  
+ #ifdef ASSERT
+ void JavaThread::verify_states_for_handshake() {
+   // This checks that the thread has a correct frame state during a handshake.
+   assert((!has_last_Java_frame() && java_call_counter() == 0) ||
+          (has_last_Java_frame() && java_call_counter() > 0), "wrong java_sp info!");
+ }
+ #endif
+ 
  void JavaThread::nmethods_do(CodeBlobClosure* cf) {
    assert((!has_last_Java_frame() && java_call_counter() == 0) ||
           (has_last_Java_frame() && java_call_counter() > 0), "wrong java_sp info!");
  
    if (has_last_Java_frame()) {