git: openjdk/jdk21u-dev: master: 2 new changesets

[Goetz Lindenmaier]

Changeset: ae467248
Branch: master
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2024-11-04 08:00:52 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/ae4672482ccf02ee5f45f5eee107c72e7506461f

8340785: Update description of PassFailJFrame and samples

Backport-of: 5063494f5b0859a396b4e41096793c777d4650b8

! test/jdk/java/awt/regtesthelpers/PassFailJFrame.java

Changeset: b08fa9a4
Branch: master
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2024-11-04 08:02:01 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/b08fa9a47fc0fa8ced083072c48423e2a6914465

8337066: Repeated call of StringBuffer.reverse with double byte string returns wrong result

Backport-of: cd61f97c2de94d19c0101c51bde143001078c89f

! src/hotspot/share/opto/gcm.cpp
+ test/hotspot/jtreg/compiler/controldependency/TestAntiDependencyForPinnedLoads.java