git: openjdk/jdk17u-dev: 2 new changesets

[Goetz Lindenmaier]

Changeset: 346848d1
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2023-12-23 10:52:37 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/346848d1da93852192aff261c9f6621b5e012d47

8316445: Mark com/sun/management/HotSpotDiagnosticMXBean/CheckOrigin.java as vm.flagless

Backport-of: ca5eee2fe37959f54c5efe557f271dea0a0baef4

! test/jdk/TEST.ROOT
! test/jdk/com/sun/management/HotSpotDiagnosticMXBean/CheckOrigin.java
! test/jtreg-ext/requires/VMProps.java

Changeset: dd4da3d8
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2023-12-23 10:54:19 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/dd4da3d8da225cb16405a5b19f9947963d7c10ef

8316679: C2 SuperWord: wrong result, load should not be moved before store if not comparable

Reviewed-by: roland
Backport-of: 48f1a925e528cc9f8cd6c727129918e0e49b3429

! src/hotspot/share/opto/superword.cpp
+ test/hotspot/jtreg/compiler/loopopts/superword/TestMovingLoadBeforeStore.java