[jdk17u-dev] RFR: 8287663: Add a regression test for JDK-8287073 [v2]

[Severin Gehwolf]

> Clean backport. Follow-up for JDK-8287073. Test fails prior code change from JDK-8287073 and passes after.

Severin Gehwolf has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains ten commits:

 - Backport 2d8c6490540e3ccea23b81129b2e4073915071e0
 - 8287073: NPE from CgroupV2Subsystem.getInstance()
   
   Backport-of: 744b822ab194a0f7ef4e7a4053be32c6a0889efc
 - 8178969: [TESTBUG] Wrong reporting of gc/g1/humongousObjects/TestHeapCounters test.
   
   Backport-of: 4f2e4c7c249812c16ef04058124892475e1043ed
 - 8283441: C2: segmentation fault in ciMethodBlocks::make_block_at(int)
   
   Backport-of: 947869609ce6b74d4d28f79724b823d8781adbed
 - 8172065: javax/swing/JTree/4908142/bug4908142.java The selected index should be "aad"
   
   Backport-of: 082fdf479367612a7bd795d3becfe9830db4b2d6
 - 8284694: Avoid evaluating SSLAlgorithmConstraints twice
   
   Backport-of: d8446b4f60472b11e4cdaef97288fe143cca4511
 - 8159694: HiDPI, Unity, java/awt/dnd/DropTargetEnterExitTest/MissedDragExitTest.java
   
   Backport-of: c3938ec18b4026d70d9654235dcd986d90344f5b
 - 8285820: C2: LCM prioritizes locally dependent CreateEx nodes over projections after 8270090
   
   Backport-of: 89392fb15e9652b7b562b3511f79bda725c5499c
 - 8270090: C2: LCM may prioritize CheckCastPP nodes over projections
   
   Backport-of: 8ebea443f333ecf79d6b0fc725ededb231e83ed5

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Changes: https://git.openjdk.org/jdk17u-dev/pull/457/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17u-dev&pr=457&range=01
  Stats: 620 lines in 20 files changed: 541 ins; 2 del; 77 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/457.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev pull/457/head:pull/457

PR: https://git.openjdk.org/jdk17u-dev/pull/457