git: openjdk/jdk26u: master: 3 new changesets

[Nibedita Jena]

Changeset: 6950503d
Branch: master
Author:    Alan Bateman <alanb at openjdk.org>
Date:      2026-01-03 06:26:11 +0000
URL:       https://git.openjdk.org/jdk26u/commit/6950503dcf786e875a75c76141759e24ac46c3f4

8374382: (aio) AsynchronousFileChannel writes wrong content using heap ByteBuffer when position != 0

Reviewed-by: jpai
Backport-of: d9bd300c6eddfd30a83e53e7ae03c47ea43a9e08

! src/java.base/windows/classes/sun/nio/ch/WindowsAsynchronousFileChannelImpl.java
+ test/jdk/java/nio/channels/AsynchronousFileChannel/BufferPositions.java

Changeset: d8a1c1d0
Branch: master
Author:    Roland Westrelin <roland at openjdk.org>
Date:      2026-01-05 14:46:49 +0000
URL:       https://git.openjdk.org/jdk26u/commit/d8a1c1d04cab940b4a6cbe82fa2e445102aa9896

8354282: C2: more crashes in compiled code because of dependency on removed range check CastIIs

Reviewed-by: chagedorn
Backport-of: 00068a80304a809297d0df8698850861e9a1c5e9

! src/hotspot/share/gc/shenandoah/c2/shenandoahSupport.cpp
! src/hotspot/share/opto/castnode.cpp
! src/hotspot/share/opto/castnode.hpp
! src/hotspot/share/opto/cfgnode.cpp
! src/hotspot/share/opto/compile.cpp
! src/hotspot/share/opto/escape.cpp
! src/hotspot/share/opto/library_call.cpp
! src/hotspot/share/opto/loopTransform.cpp
! src/hotspot/share/opto/loopnode.cpp
! src/hotspot/share/opto/loopopts.cpp
! src/hotspot/share/opto/macroArrayCopy.cpp
! test/hotspot/jtreg/compiler/c2/irTests/TestPushAddThruCast.java
! test/hotspot/jtreg/compiler/rangechecks/TestArrayAccessAboveRCAfterRCCastIIEliminated.java

Changeset: 0d97470b
Branch: master
Author:    Nibedita Jena <jnibedita at openjdk.org>
Date:      2026-01-06 14:34:56 +0000
URL:       https://git.openjdk.org/jdk26u/commit/0d97470b84f56d4afeadc51bb6d54df940907f6e

Merge