git: openjdk/jdk: 8313406: nep_invoker_blob can be simplified more

[Yasumasa Suenaga]

Changeset: 583cb754
Author:    Yasumasa Suenaga <ysuenaga at openjdk.org>
Date:      2023-08-14 23:12:42 +0000
URL:       https://git.openjdk.org/jdk/commit/583cb754f38f5d32144e302ce5e82a3b36a2cb78

8313406: nep_invoker_blob can be simplified more

Reviewed-by: jvernee, vlivanov

! src/hotspot/cpu/x86/downcallLinker_x86_64.cpp
! src/java.base/share/classes/jdk/internal/foreign/abi/x64/sysv/CallArranger.java
! test/jdk/java/foreign/callarranger/TestSysVCallArranger.java