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git_commit commit d1b5607dc113016b74d0a58e95fed00ea9ad7950
Author: lbonn <lbonn@users.noreply.github.com>
Date: Sat Sep 27 16:49:54 2025 +0200

[libc++][ranges] Fix `ranges::join_view` segmented iterator trait (#158347)

The outer iterator needs to move to the next segment when calling
__compose.

Without this change, `find_segment_if` would never reach the end of the
join_view which caused erroneous result when calling `ranges::find` on a
join_view of bidirectional ranges.

Other specializations using the segmented iterator trait were likely to
be affected as well.

Fixes #158279
Fixes #93180
Filter

ldionne-old-macbook-results test results

Run Order Start Time Duration
Current 554129 2025-12-16T16:40:01 0:00:00
Previous 553967 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 16
Unchanged Tests 76 64
Total Tests 80

Performance Regressions - execution_time Δ Previous Current σ Δ (B) σ (B)
735_gem5_r 3.87% 13.392 13.911 - 0.00% -
753_ns3_r 2.07% 10.359 10.573 - 0.00% -
737_gmsh_r 1.15% 12.623 12.767 - 0.00% -

Performance Improvements - execution_time Δ Previous Current σ Δ (B) σ (B)
748_flightdm_r -1.54% 9.161 9.021 - 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
735_gem5_r
736_ocio_r
737_gmsh_r
748_flightdm_r
750_sealcrypto_r
753_ns3_r
766_femflow_r


Report Time: 0.08s
Name Current %
706_stockfish_r 21.539 -
707_ntest_r 16.567 -
709_cactus_r 19.612 -
710_omnetpp_r 8.436 -
721_gcc_r 13.046 -
723_llvm_r 11.499 -
727_cppcheck_r 24.786 -
729_abc_r 18.679 -
731_astcenc_r 10.127 -
735_gem5_r 13.911 3.87%
736_ocio_r 16.303 -
737_gmsh_r 12.767 1.15%
748_flightdm_r 9.021 -1.54%
750_sealcrypto_r 18.456 -
753_ns3_r 10.573 2.07%
766_femflow_r 12.881 -
Geometric Mean 14.198 -