git: openjdk/loom: fibers: 2 new changesets

[duke]

Changeset: 4f883ab3
Branch: fibers
Author:    Alan Bateman <alan.bateman at oracle.com>
Date:      2025-10-02 18:44:53 +0000
URL:       https://git.openjdk.org/loom/commit/4f883ab30d42b0f2beb9ee31a5df65cff7788023

Threads should not call Subtask::get before owner has joined

! loom-docs/StructuredConcurrent-updates.md
! src/java.base/share/classes/java/util/concurrent/StructuredTaskScope.java
! src/java.base/share/classes/java/util/concurrent/StructuredTaskScopeImpl.java
! test/jdk/java/util/concurrent/StructuredTaskScope/StructuredTaskScopeTest.java

Changeset: 0822a2af
Branch: fibers
Author:    Alan Bateman <alan.bateman at oracle.com>
Date:      2025-10-03 07:34:23 +0000
URL:       https://git.openjdk.org/loom/commit/0822a2af7b189136603cce26ef866f099b40a925

Sync up FJP from pull/26479

! src/java.base/share/classes/java/util/concurrent/ForkJoinPool.java