git: openjdk/loom: fibers: Rethink fix_stack_chunk

[duke]

Changeset: 94c437ee
Author:    Ron Pressler <ron.pressler at oracle.com>
Date:      2020-10-15 15:28:37 +0000
URL:       https://git.openjdk.java.net/loom/commit/94c437ee

Rethink fix_stack_chunk

! src/hotspot/cpu/x86/continuationChunk_x86.inline.hpp
! src/hotspot/cpu/x86/continuation_x86.inline.hpp
! src/hotspot/share/runtime/continuation.cpp