git: openjdk/jdk23u: master: 2 new changesets

[Tobias Hartmann]

Changeset: c2b57598
Branch: master
Author:    Tobias Hartmann <thartmann at openjdk.org>
Date:      2024-10-14 05:26:06 +0000
URL:       https://git.openjdk.org/jdk23u/commit/c2b57598ec2895e4c3f6d5e51b41d07ffbe3c21d

8340812: LambdaForm customization via MethodHandle::updateForm is not thread safe

Backport-of: 47c10694c66bc131c8a5e1572340415b8daaba08

! src/java.base/share/classes/java/lang/invoke/MethodHandle.java
+ test/jdk/java/lang/invoke/TestLambdaFormCustomization.java

Changeset: 8915084e
Branch: master
Author:    Tobias Hartmann <thartmann at openjdk.org>
Date:      2024-10-14 05:26:29 +0000
URL:       https://git.openjdk.org/jdk23u/commit/8915084e9942cc349292f935b89efc2e9a471749

8323688: C2: Fix UB of jlong overflow in PhaseIdealLoop::is_counted_loop()

Backport-of: 1dd60b62e384090b13a08d2afa62e49ef52bc46c

! src/hotspot/share/opto/loopnode.cpp