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| git_commit |
commit 3bd71cbec75292f188bee3aaba2dc94c8955ad66 Author: Peng Liu <winner245@hotmail.com> Date: Thu Mar 13 14:15:03 2025 -0400 [libc++] Fix ambiguous call in {ranges, std}::find (#122641) This PR fixes an ambiguous call encountered when using the `std::ranges::find` or `std::find` algorithms with `vector<bool>` with small `allocator_traits::size_type`s, an issue reported in #122528. The ambiguity arises from integral promotions during the internal bitwise arithmetic of the `find` algorithms when applied to `vector<bool>` with small integral `size_type`s. This leads to multiple viable candidates for small integral types: __libcpp_ctz(unsigned), __libcpp_ctz(unsigned long), and __libcpp_ctz(unsigned long long), none of which represent a single best viable match, resulting in an ambiguous call error. To resolve this, we propose invoking an internal function __countr_zero as a dispatcher that directs the call to the appropriate overload of __libcpp_ctz. Necessary amendments have also been made to __countr_zero. |
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ldionne-old-macbook-results test results
| Run | Order | Start Time | Duration |
|---|---|---|---|
| Current | 530532 | 2025-12-16T16:40:01 | 0:00:00 |
| Previous | 529932 | 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 | 4 | 0 |
| Added Tests | 0 | 18 |
| Unchanged Tests | 85 | 72 |
| Total Tests | 90 |
| Performance Regressions - execution_time | Δ | Previous | Current | σ | Δ (B) | σ (B) |
|---|---|---|---|---|---|---|
| 727_cppcheck_r | 2.66% | 24.399 | 25.048 | - | 0.00% | - |
| Performance Improvements - execution_time | Δ | Previous | Current | σ | Δ (B) | σ (B) |
|---|---|---|---|---|---|---|
| 707_ntest_r | -2.72% | 18.382 | 17.882 | - | 0.00% | - |
| 731_astcenc_r | -2.72% | 10.303 | 10.023 | - | 0.00% | - |
| 767_nest_r | -1.28% | 14.187 | 14.006 | - | 0.00% | - |
| 748_flightdm_r | -1.05% | 9.015 | 8.921 | - | 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: 0.47s