git: openjdk/loom: fibers: Add ContinuationEntry::is_virtual_thread()

[duke]

Changeset: 8a0c83ef
Author:    Ron Pressler <ron.pressler at oracle.com>
Date:      2022-03-15 18:57:34 +0000
URL:       https://git.openjdk.java.net/loom/commit/8a0c83ef7888e3e72b56abca94e5aa937e82b93b

Add ContinuationEntry::is_virtual_thread()

! src/hotspot/cpu/aarch64/sharedRuntime_aarch64.cpp
! src/hotspot/cpu/aarch64/stubGenerator_aarch64.cpp
! src/hotspot/cpu/x86/sharedRuntime_x86_64.cpp
! src/hotspot/cpu/x86/stubGenerator_x86_64.cpp
! src/hotspot/share/classfile/javaClasses.cpp
! src/hotspot/share/classfile/vmIntrinsics.hpp
! src/hotspot/share/runtime/continuation.cpp
! src/hotspot/share/runtime/continuation.hpp
! src/hotspot/share/runtime/frame.cpp
! src/hotspot/share/runtime/thread.inline.hpp
! src/hotspot/share/runtime/vframe.inline.hpp
! src/java.base/share/classes/java/lang/System.java
! src/java.base/share/classes/jdk/internal/access/JavaLangAccess.java
! src/java.base/share/classes/jdk/internal/vm/Continuation.java
! test/jdk/jdk/internal/vm/Continuation/Preempt.java