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git_commit commit a3058d5ccd681d57076d6bbdc0881b1ee503230a
Author: Chenguang Wang <w3cing@gmail.com>
Date: Wed Nov 12 09:25:08 2025 -0800

[libc++] Guard fileno() and isatty() usage correctly for Newlib. (#166668)

Including unistd.h does not expose fileno() on Newlib.
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ldionne-old-macbook-results test results

Run Order Start Time Duration
Current 559184 2025-12-16T16:40:01 0:00:00
Previous 559161 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)
727_cppcheck_r 4.17% 24.486 25.507 - 0.00% -
729_abc_r 1.49% 18.664 18.942 - 0.00% -
735_gem5_r 1.46% 13.370 13.566 - 0.00% -

Performance Improvements - execution_time Δ Previous Current σ Δ (B) σ (B)
710_omnetpp_r -1.23% 8.504 8.399 - 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: 0.12s
Name Current %
706_stockfish_r 21.595 -
707_ntest_r 16.665 -
709_cactus_r 19.708 -
710_omnetpp_r 8.399 -1.23%
721_gcc_r 12.928 -
723_llvm_r 11.526 -
727_cppcheck_r 25.507 4.17%
729_abc_r 18.942 1.49%
731_astcenc_r 10.051 -
735_gem5_r 13.566 1.46%
736_ocio_r 16.196 -
737_gmsh_r 12.922 -
748_flightdm_r 8.850 -
750_sealcrypto_r 18.384 -
753_ns3_r 10.188 -
766_femflow_r 12.813 -
Geometric Mean 14.156 -