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| git_commit |
commit bbd871e2baad2e74dbde202823b3439d2a96d3f8 Author: Louis Dionne <ldionne.2@gmail.com> Date: Fri Jan 17 14:22:40 2025 -0500 [libc++] Don't implement <stdatomic.h> before C++23 (#123130) https://github.com/llvm/llvm-project/pull/95498 implemented a libc++ extension where <stdatomic.h> would forward to <atomic> even before C++23. Unfortunately, this was found to be a breaking change (with fairly widespread impact) since that changes whether _Atomic(T) is a C style atomic or std::atomic<T>. In principle, this can even be an ABI break. We generally don't implement extensions in libc++ because they cause so many problems, and that extension had been accepted because it was deemed pretty small and only a quality of life improvement. Since it has widespread impact on valid C++20 (and before) code, this patch removes the extension before we ship it in any public release. |
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ldionne-old-macbook-results test results
| Run | Order | Start Time | Duration |
|---|---|---|---|
| Current | 524233 | 2025-12-16T16:40:01 | 0:00:00 |
| Previous | 524222 | 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 | 2 | 0 |
| Performance Improvements | 2 | 0 |
| Added Tests | 0 | 18 |
| Unchanged Tests | 86 | 72 |
| Total Tests | 90 |
| Performance Regressions - execution_time | Δ | Previous | Current | σ | Δ (B) | σ (B) |
|---|---|---|---|---|---|---|
| 710_omnetpp_r | 15.76% | 8.760 | 10.140 | - | 0.00% | - |
| 707_ntest_r | 1.20% | 17.793 | 18.007 | - | 0.00% | - |
| Performance Improvements - execution_time | Δ | Previous | Current | σ | Δ (B) | σ (B) |
|---|---|---|---|---|---|---|
| 748_flightdm_r | -1.62% | 8.982 | 8.836 | - | 0.00% | - |
| 734_vpr_r | -1.08% | 15.680 | 15.510 | - | 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 |
| 767_nest_r |
Report Time: 0.17s