RFR: Merge jdk17 [v2]

[Jesper Wilhelmsson]

> Forwardport JDK 17 -> JDK 18

Jesper Wilhelmsson has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 164 commits:

 - Merge
 - 8269935: ProblemList runtime/jni/checked/TestPrimitiveArrayCriticalWithBadParam.java on windows
   
   Reviewed-by: jjg
 - 8269917: Insert missing commas in copyrights in java.net
   
   Reviewed-by: chegar, dfuchs
 - 8253119: Remove the legacy PlainSocketImpl and PlainDatagramSocketImpl implementation
   
   Reviewed-by: alanb, dfuchs, chegar
 - 8269692: sun.net.httpserver.ServerImpl::createContext should throw IAE
   
   Reviewed-by: dfuchs
 - 8269697: JNI_GetPrimitiveArrayCritical() should not accept object array
   
   Reviewed-by: kbarrett, dholmes
 - 8266310: deadlock between System.loadLibrary and JNI FindClass loading another class
   
   Reviewed-by: dholmes, plevart, chegar, mchung
 - 8269882: stack-use-after-scope in NewObjectA
   
   Reviewed-by: kbarrett
 - 8269672: C1: Remove unaligned move on all architectures
   
   Co-authored-by: Martin Doerr <mdoerr at openjdk.org>
   Reviewed-by: thartmann
 - 8267956: C1 code cleanup
   
   Reviewed-by: thartmann
 - ... and 154 more: https://git.openjdk.java.net/jdk/compare/0d1cd3a7...b68ba015

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Changes: https://git.openjdk.java.net/jdk/pull/4698/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=4698&range=01
  Stats: 46385 lines in 833 files changed: 20688 ins; 22823 del; 2874 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4698.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4698/head:pull/4698

PR: https://git.openjdk.java.net/jdk/pull/4698