RFR: Merge openjdk/jdk:master

[William Kemper]

Merges tag jdk-24+18

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Commit messages:
 - 8341148: Open source several Choice related tests
 - 8334060: Implementation of Late Barrier Expansion for G1
 - 8341091: CDS: Segmented roots array misses roots
 - 8341239: Open source closed frame tests # 3
 - 8341191: Open source few more AWT FileDialog tests
 - 8341177: Opensource few List and a Window test
 - 8309841: Jarsigner should print a warning if an entry is removed
 - 8332697: ubsan: shenandoahSimpleBitMap.inline.hpp:68:23: runtime error: signed integer overflow: -9223372036854775808 - 1 cannot be represented in type 'long int'
 - 8341336: Fix -Wzero-as-null-pointer-constant warnings in PRODUCT-only code
 - 8341037: Use standard layouts in DefaultFrameIconTest.java and MenuCrash.java
 - ... and 88 more: https://git.openjdk.org/shenandoah/compare/10da2c21...19642bd3

The webrev contains the conflicts with master:
 - merge conflicts: https://webrevs.openjdk.org/?repo=shenandoah&pr=508&range=00.conflicts

Changes: https://git.openjdk.org/shenandoah/pull/508/files
  Stats: 25502 lines in 448 files changed: 21177 ins; 2556 del; 1769 mod
  Patch: https://git.openjdk.org/shenandoah/pull/508.diff
  Fetch: git fetch https://git.openjdk.org/shenandoah.git pull/508/head:pull/508

PR: https://git.openjdk.org/shenandoah/pull/508