ci, iwyu: Fix warnings in src/primitives and treat them as errors #34352

1. 
   hebasto commented at 2:47 pm on January 20, 2026: member

   This PR continues the ongoing effort to enforce IWYU warnings.

   Previous PRs:

   • #33810
   • #31308
   • #34079
   • #33779
   • #34338

   For accompanying documentation, please see Developer Notes.

2. ci, iwyu: Fix warnings in `src/primitives` and treat them as errors fdc9fe2da6
3. hebasto added the label Refactoring on Jan 20, 2026
4. 
   DrahtBot commented at 2:47 pm on January 20, 2026: contributor

   The following sections might be updated with supplementary metadata relevant to reviewers and maintainers.

   Code Coverage & Benchmarks

   For details see: https://corecheck.dev/bitcoin/bitcoin/pulls/34352.

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   Conflicts

   Reviewers, this pull request conflicts with the following ones:

   • #34338 (ci, iwyu: Fix warnings in src/zmq and treat them as errors by hebasto)

   If you consider this pull request important, please also help to review the conflicting pull requests. Ideally, start with the one that should be merged first.

Contributors
hebasto DrahtBot

Labels
Refactoring