git: openjdk/loom: fibers: 3 new changesets

[duke]

Changeset: 15fcb68d
Author:    Erik Österlund <eosterlund at openjdk.org>
Date:      2022-03-14 12:07:25 +0000
URL:       https://git.openjdk.java.net/loom/commit/15fcb68dc3edfed22ce347aaea8302162ce2c2f4

Workaround for inaccurate derived pointer oop maps

! src/hotspot/share/oops/instanceStackChunkKlass.cpp

Changeset: f222b4f9
Author:    Erik Österlund <eosterlund at openjdk.org>
Date:      2022-03-14 12:21:35 +0000
URL:       https://git.openjdk.java.net/loom/commit/f222b4f92136246355d3506d0d685a5999fd2fc0

Move ZGC barrier assert to slow path to avoid false positives

! src/hotspot/share/gc/z/zBarrier.cpp
! src/hotspot/share/gc/z/zBarrier.inline.hpp

Changeset: 70366bed
Author:    Erik Österlund <eosterlund at openjdk.org>
Date:      2022-03-15 08:23:37 +0000
URL:       https://git.openjdk.java.net/loom/commit/70366bedf0305e9fedb8987103b487654acc194d

Thaw shouldn't take fast path if chunk has been GCed

! src/hotspot/share/oops/stackChunkOop.hpp
! src/hotspot/share/oops/stackChunkOop.inline.hpp
! src/hotspot/share/runtime/continuation.cpp