bench: Add more realistic Coin Selection Bench #33160

1. 
   murchandamus commented at 2:17 am on August 9, 2025: contributor

   First draft for a Coin Selection Benchmark that doesn’t just test a worst case of one of the algorithms but tries to select inputs for a variety of different targets.
2. bench: Add Coin Selection bench with diverse UTXOs 2ded3813bb
3. bench: Move setup out of bench 6001a677e7
4. DrahtBot added the label Tests on Aug 9, 2025
5. 
   DrahtBot commented at 2:18 am on August 9, 2025: 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/33160.

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   LLM Linter (✨ experimental)

   Possible typos and grammar issues:

   • worstcase → worst-case [compound adjective before a noun should be hyphenated]

   drahtbot_id_4_m

6. DrahtBot added the label CI failed on Aug 9, 2025
7. 
   DrahtBot commented at 3:18 am on August 9, 2025: contributor

   🚧 At least one of the CI tasks failed. Task tidy: https://github.com/bitcoin/bitcoin/runs/47721081968 LLM reason (✨ experimental): clang-tidy detected a performance-inefficient vector operation error, causing the CI to fail.

   Try to run the tests locally, according to the documentation. However, a CI failure may still happen due to a number of reasons, for example:

   • Possibly due to a silent merge conflict (the changes in this pull request being incompatible with the current code in the target branch). If so, make sure to rebase on the latest commit of the target branch.

   • A sanitizer issue, which can only be found by compiling with the sanitizer and running the affected test.

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