git: openjdk/loom: fibers: Fix chunk bugs

[duke]

Changeset: 3f3adaa2
Author:    Ron Pressler <ron.pressler at oracle.com>
Date:      2020-08-10 20:14:34 +0000
URL:       https://git.openjdk.java.net/loom/commit/3f3adaa2

Fix chunk bugs

! src/hotspot/cpu/x86/continuationChunk_x86.inline.hpp
! src/hotspot/cpu/x86/continuation_x86.inline.hpp
! src/hotspot/cpu/x86/stubGenerator_x86_64.cpp
! src/hotspot/share/runtime/continuation.cpp
! test/jdk/java/lang/Continuation/Fuzz.java
! test/jdk/java/lang/Continuation/fuzz.dat