JDK-8327652 has some change which should have been updated by JDK-8339466. But JDK-8327652 integrated after JDK-8339466 and there exists a missing reference. It was missed as there was no merge conflict.

LOG:

ERROR: Build failed for target 'run-test-tier1' in configuration 'linux-s390x-server-fastdebug' (exit code 2)
Stopping javac server

=== Output from failing command(s) repeated here ===
* For target hotspot_variant-server_libjvm_objs_sharedRuntime_s390.o:
/home/amit/head/jdk/src/hotspot/cpu/s390/sharedRuntime_s390.cpp: In static member function ‘static SafepointBlob* SharedRuntime::generate_handler_blob(SharedStubId, address)’:
/home/amit/head/jdk/src/hotspot/cpu/s390/sharedRuntime_s390.cpp:2922:24: error: ‘poll_type’ was not declared in this scope
 2922 | bool save_vectors = (poll_type == POLL_AT_VECTOR_LOOP);
      | ^~~~~~~~~
/home/amit/head/jdk/src/hotspot/cpu/s390/sharedRuntime_s390.cpp:2922:37: error: ‘POLL_AT_VECTOR_LOOP’ was not declared in this scope
 2922 | bool save_vectors = (poll_type == POLL_AT_VECTOR_LOOP);
      | ^~~~~~~~~~~~~~~~~~~

* All command lines available in /home/amit/head/jdk/build/linux-s390x-server-fastdebug/make-support/failure-logs.
=== End of repeated output ===