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git_commit commit a19d37044b35766d216d77c3fb5e5275e48438ea
Author: Hristo Hristov <hghristov.rmm@gmail.com>
Date: Fri Jun 27 20:12:18 2025 +0300

[libc++] P2944R3: Constrained comparisions - `tuple` (#145677)

Implements P2944R3 partially, which adds constrained comparisons
`std::tuple`.
The missing overloads introduced in [P2165R4](https://wg21.link/P2165R4)
are not implemented.

Uses
[`__all`](https://github.com/llvm/llvm-project/blob/f7af33a9eb5b3876f219075023dc9c565d75849b/libcxx/include/__type_traits/conjunction.h#L45)
instead of a fold expression, see comment:
https://github.com/llvm/llvm-project/pull/141396#discussion_r2161166077

Relates to #136765

# References

[tuple.rel](https://wg21.link//tuple.rel)
Filter

ldionne-old-macbook-results test results

Run Order Start Time Duration
Current 542639 2025-12-16T16:40:01 0:00:00
Previous 542778 2025-12-16T16:40:01 0:00:00
Baseline 485288 2025-12-16T16:40:01 0:00:00


Tests Summary

Status Group # # (B)
Performance Regressions 3 0
Performance Improvements 1 0
Added Tests 0 17
Unchanged Tests 81 68
Total Tests 85

Performance Regressions - execution_time Δ Previous Current σ Δ (B) σ (B)
727_cppcheck_r 2.09% 24.596 25.110 - 0.00% -
735_gem5_r 1.74% 13.803 14.043 - 0.00% -
748_flightdm_r 1.23% 8.865 8.974 - 0.00% -

Performance Improvements - execution_time Δ Previous Current σ Δ (B) σ (B)
753_ns3_r -1.33% 10.857 10.713 - 0.00% -

Added Tests - execution_time
706_stockfish_r
707_ntest_r
709_cactus_r
710_omnetpp_r
721_gcc_r
723_llvm_r
727_cppcheck_r
729_abc_r
731_astcenc_r
734_vpr_r
735_gem5_r
736_ocio_r
737_gmsh_r
748_flightdm_r
750_sealcrypto_r
753_ns3_r
766_femflow_r


Report Time: 0.06s
Name Current %
706_stockfish_r 22.256 -
707_ntest_r 18.042 -
709_cactus_r 19.734 -
710_omnetpp_r 8.522 -
721_gcc_r 12.986 -
723_llvm_r 11.583 -
727_cppcheck_r 25.110 2.09%
729_abc_r 18.764 -
731_astcenc_r 10.079 -
734_vpr_r 15.370 -
735_gem5_r 14.043 1.74%
736_ocio_r 16.241 -
737_gmsh_r 13.256 -
748_flightdm_r 8.974 1.23%
750_sealcrypto_r 18.806 -
753_ns3_r 10.713 -1.33%
766_femflow_r 12.883 -
Geometric Mean 14.450 -