git: openjdk/loom: fibers: Chunk fixes

[duke]

Changeset: ae504875
Author:    Ron Pressler <ron.pressler at oracle.com>
Date:      2020-10-27 13:07:10 +0000
URL:       https://git.openjdk.java.net/loom/commit/ae504875

Chunk fixes

! src/hotspot/cpu/x86/continuationChunk_x86.inline.hpp
! src/hotspot/share/oops/instanceStackChunkKlass.cpp
! src/hotspot/share/oops/instanceStackChunkKlass.hpp
! src/hotspot/share/runtime/continuation.cpp