[jdk26u] RFR: Merge jdk:jdk26 [v2]

[Nibedita Jena]

> Merge

Nibedita Jena has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains nine additional commits since the last revision:

 - Merge remote-tracking branch 'jdk/jdk26' into Merge_01-20
 - 8375094: RISC-V: Fix client builds after JDK-8368732
   
   Backport-of: de6f35eff988e737496d5e99e991868e97d72db4
 - 8373476: (tz) Update Timezone Data to 2025c
   
   Backport-of: 5df183be6c484d8f9635fac149caf5e2079c5561
 - Merge
 - Merge
 - Merge
 - 8372589: VM crashes on init when NonNMethodCodeHeapSize is set too small and UseTransparentHugePages is enabled
   
   Backport-of: 8eaeb6990b85ac8717f4fc4ce883f674017b91f3
 - 8373625: CPUTimeCounters creates a total counter for unsupported GCs
   
   Backport-of: 30be94086aad42b99a15a05fe5115f552e8efb8b
 - 8373520: Bump update version for OpenJDK: jdk26u to 26.0.1
   
   Reviewed-by: robm, iris, kcr

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

Changes:
  - all: https://git.openjdk.org/jdk26u/pull/18/files
  - new: https://git.openjdk.org/jdk26u/pull/18/files/05db3bd7..05db3bd7

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk26u&pr=18&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk26u&pr=18&range=00-01

  Stats: 0 lines in 0 files changed: 0 ins; 0 del; 0 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