Update crc32c subtree to latest master #36298

1. 
   fanquake commented at 9:56 AM on September 19, 2026: member

   Includes:

   • https://github.com/bitcoin-core/crc32c-subtree/pull/10

   Used in #36275.

2. Squashed 'src/crc32c/' changes from efb8ea04e4..60bcf13edf

   60bcf13edf Merge bitcoin-core/crc32c-subtree#10: refactor: use inline constexpr in headers
   b1ce911a5f refactor: use inline constexpr in headers
   
   git-subtree-dir: src/crc32c
   git-subtree-split: 60bcf13edf19ee3886bf0a283d59e7616b4d112c

   5181c61d73
3. Update crc32c subtree to latest master 2c8372db11
4. 
   DrahtBot commented at 9:56 AM on September 19, 2026: contributor

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   Code Coverage & Benchmarks

   For details see: https://corecheck.dev/bitcoin/bitcoin/pulls/36298.

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5. fanquake requested review from willcl-ark on Sep 20, 2026
6. hebasto approved
7. 
   hebasto commented at 10:28 AM on September 21, 2026: member

   ACK 2c8372db1131cddedddafd48c6825aa0fb7b1738.

8. fanquake merged this on Sep 21, 2026
9. fanquake closed this on Sep 21, 2026

   ---

10. fanquake deleted the branch on Sep 21, 2026
11. 
    hebasto commented at 3:53 PM on September 21, 2026: member

    My Guix build:

    $ uname -m && find guix-build-$(git rev-parse --short=12 HEAD)/output/ -type f -print0 | env LC_ALL=C sort -z | xargs -r0 sha256sum
    aarch64
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    8e87c5e010fc7c4d54d3a439abee4d020d4da3fecbe1fe07df43f3bfbc8182a6  guix-build-2c8372db1131/output/arm-linux-gnueabihf/SHA256SUMS.part
    c735a83f785c91a2d0bdf993a66db59acdc0875a697f56df04f3fb051445a7be  guix-build-2c8372db1131/output/arm-linux-gnueabihf/bitcoin-2c8372db1131-arm-linux-gnueabihf-debug.tar.gz
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    218c339895d70a9efedd4f399b076504cc28a6590ac644f732af21f87db43ef2  guix-build-2c8372db1131/output/arm64-apple-darwin/bitcoin-2c8372db1131-arm64-apple-darwin-codesigning.tar.gz
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    5b9788bf6feec35754472b8591a019bdf237f4c397d317638f5d8773812725aa  guix-build-2c8372db1131/output/x86_64-linux-gnu/bitcoin-2c8372db1131-x86_64-linux-gnu-debug.tar.gz
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