git: openjdk/loom: fibers: Fix chunk max_size calculation

[duke]

Changeset: 3a92f436
Author:    Ron Pressler <ron.pressler at oracle.com>
Date:      2021-03-25 10:41:43 +0000
URL:       https://git.openjdk.java.net/loom/commit/3a92f436

Fix chunk max_size calculation

! src/hotspot/cpu/x86/instanceStackChunkKlass_x86.inline.hpp
! src/hotspot/share/oops/instanceStackChunkKlass.cpp
! src/hotspot/share/oops/instanceStackChunkKlass.inline.hpp
! src/hotspot/share/runtime/continuation.cpp
! src/hotspot/share/runtime/frame.cpp