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git_commit commit af267993a7e102e710d4c29a5253738038e1d2a4
Author: A. Jiang <de34@live.cn>
Date: Wed Mar 26 07:38:02 2025 +0800

[libc++] Re-implement LWG2770 again * 2 (#132598)

1013fe3c0cfd7582e94ef2d4bfd79da7ea1a1289 used to implement LWG2770, but
cb0d4df97490ec2d2b1cdf7574d26b1bc4063599 made LWG2770 unimplemented
again because of CWG2386.

This patch re-implements LWG2770, while keeping the libc++-specific
implementation strategy (which is controversial as noted in LWG4040).

Drive-by:
- Make the test coverage for the controversial part noted in LWG4040
libc++-only.
- Add the previously missed entry for LWG2770 to the documentation.
Filter

ldionne-old-macbook-results test results

Run Order Start Time Duration
Current 531951 2025-12-16T16:40:01 0:00:00
Previous 531918 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 1 0
Performance Improvements 2 0
Added Tests 1 18
Unchanged Tests 86 72
Total Tests 90

Performance Regressions - execution_time Δ Previous Current σ Δ (B) σ (B)
710_omnetpp_r 1.12% 8.394 8.489 - 0.00% -

Performance Improvements - execution_time Δ Previous Current σ Δ (B) σ (B)
748_flightdm_r -1.87% 8.962 8.794 - 0.00% -
734_vpr_r -1.19% 15.379 15.195 - 0.00% -

Added Tests - execution_time
735_gem5_r

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
767_nest_r


Report Time: 0.15s
Name Current %
706_stockfish_r 22.084 -
707_ntest_r 17.890 -
709_cactus_r 19.870 -
710_omnetpp_r 8.489 1.12%
721_gcc_r 13.000 -
723_llvm_r 11.458 -
727_cppcheck_r 24.662 -
729_abc_r 18.903 -
731_astcenc_r 10.026 -
734_vpr_r 15.195 -1.19%
735_gem5_r 14.049 -
736_ocio_r 16.170 -
737_gmsh_r 13.037 -
748_flightdm_r 8.794 -1.87%
750_sealcrypto_r 18.351 -
753_ns3_r 10.659 -
766_femflow_r 12.787 -
767_nest_r 14.131 -
Geometric Mean 14.330 -