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fa99c3b544test: Exclude SeedStartup from coverage counts (MarcoFalke)fa579d663dcontrib: Add deterministic-unittest-coverage (MarcoFalke)fa3940b1cbcontrib: deterministic-fuzz-coverage fixups (MarcoFalke)faf905b9b6doc: Remove unused -fPIC (MarcoFalke)fa1e0a7228gitignore: target/ (MarcoFalke) Pull request description: The `contrib/devtools/test_deterministic_coverage.sh` script is problematic: * It is written in bash. This can lead to issues when running with the ancient bash version shipped by macOS by default, or can lead to other compatibility issues, such as https://github.com/bitcoin/bitcoin/pull/31588#discussion_r1946784827. Also, pipefail isn't set, so IO errors may be silently ignored. * It is based on gcov. This can lead to issues, such as https://github.com/bitcoin/bitcoin/pull/31588#pullrequestreview-2602169248 (possibly due to prefix-map), or https://github.com/bitcoin/bitcoin/pull/31588#issuecomment-2646395385 (gcovr processing error), or https://github.com/bitcoin/bitcoin/pull/31588#pullrequestreview-2605954001 (gcovr assertion error). * The script is severely outdated, with the last update to `NON_DETERMINISTIC_TESTS` being in the prior decade. Instead of patching around all issues one-by-one, just provide a fresh rewrite, based on the recently added `deterministic-fuzz-coverage` tool based on clang, llvm-cov, and llvm-profdata. (Initial feedback indicates that this is a more promising attempt: https://github.com/bitcoin/bitcoin/pull/31588#issuecomment-2649356408 and https://github.com/bitcoin/bitcoin/pull/31588#issuecomment-2649354598). The new tool also sets `RANDOM_CTX_SEED=21` as suggested by hodlinator in https://github.com/bitcoin/bitcoin/pull/31588#issuecomment-2650784726. ACKs for top commit: Prabhat1308: Concept ACK [`fa99c3b`](fa99c3b544) hodlinator: re-ACKfa99c3b544brunoerg: light ACKfa99c3b544dergoegge: tACKfa99c3b544janb84: Concept ACK [fa99c3b](fa99c3b544) Tree-SHA512: 491d5e6413d929395a5c7caea54817bdc1a0e00562c9728a374d4e92f2e2017dba4a770ecdb2e7317e049df9fdeb390d83c90dff9aa5709f97aa3f6a0e70cdb4