[jdk26u] RFR: Merge jdk:jdk26

[Nibedita Jena]

Merge

-------------

Commit messages:
 - Merge remote-tracking branch 'jdk/jdk26' into Merge_01-20
 - 8360271: String.indexOf intrinsics fail with +EnableX86ECoreOpts and -CompactStrings
 - 8372493: [asan] java/foreign/sharedclosejvmti/TestSharedCloseJvmti.java triggers heap-use-after-free
 - 8373105: Test tools/jpackage/share/AsyncTest.java failed: problem running hdiutil
 - 8373448: jpackage: StackOverflowError when processing a very long argument
 - 8373727: New XBM images parser regression: only the first line of the bitmap array is parsed
 - 8374435: assert(addp->is_AddP()) failed: must be AddP during EA with -XX:-UseCompressedOops
 - 8374796: CompressedOops versions of runtime/cds/TestDefaultArchiveLoading.java aren't run
 - 8371014: Dump JFR recording on CrashOnOutOfMemoryError is incorrectly implemented
 - 8375130: [BACKOUT] Scalability issue when submitting virtual threads with almost empty tasks
 - ... and 7 more: https://git.openjdk.org/jdk26u/compare/c2f00834...05db3bd7

The merge commit only contains trivial merges, so no merge-specific webrevs have been generated.

Changes: https://git.openjdk.org/jdk26u/pull/18/files
  Stats: 1478 lines in 50 files changed: 897 ins; 205 del; 376 mod
  Patch: https://git.openjdk.org/jdk26u/pull/18.diff
  Fetch: git fetch https://git.openjdk.org/jdk26u.git pull/18/head:pull/18

PR: https://git.openjdk.org/jdk26u/pull/18