git: openjdk/loom: fibers: complete impl for frames hidden from JVMTI while in VTMT

[duke]

Changeset: 57bb0e64
Author:    Serguei Spitsyn <serguei.spitsyn at oracle.com>
Date:      2021-02-17 08:49:47 +0000
URL:       https://git.openjdk.java.net/loom/commit/57bb0e64

complete impl for frames hidden from JVMTI while in VTMT

! src/hotspot/share/classfile/classFileParser.cpp
! src/hotspot/share/classfile/vmSymbols.hpp
! src/hotspot/share/oops/method.hpp
! src/hotspot/share/prims/jvmtiEnvBase.cpp
! src/hotspot/share/prims/jvmtiExport.cpp
! src/java.base/share/classes/java/lang/VirtualThread.java
+ src/java.base/share/classes/jdk/internal/vm/annotation/JvmtiMountTransition.java