vs-2022-17.5

microsoft/STL

版本发布时间: 2024-03-09 13:27:27

microsoft/STL最新发布版本:vs-2022-17.11(2024-08-15 19:47:14)

Merged C++23 features:
- P2322R6 #3099 ranges::fold_left, ranges::fold_right, etc.
- P2465R3 #3108 Standard Library Modules std And std.compat
  - Initially supported for MSVC only; see tracking issue #1694 for lists of known compiler bugs and upcoming fixes.
  - Build system support is a work in progress; currently, build systems must be manually taught to compile std.ixx so you can reference std.ifc and link std.obj. (Similarly for building std.compat.ixx into std.compat.ifc and std.compat.obj.)
  - IntelliSense support is a work in progress; STL test coverage is not yet enabled.
  - Will be supported for Clang after compiler support for modules is available; see Clang's C++20 implementation status.
- P2508R1 #3074 basic_format_string, format_string, wformat_string
Merged partial C++23 features:
- P2278R4 cbegin Should Always Return A Constant Iterator:
  - The "Iterators" section, including basic_const_iterator, make_const_iterator(), and make_const_sentinel(). #3043
- P2321R2 zip:
  - views::zip. #3035
  - Note: views::zip_transform, views::adjacent, and views::adjacent_transform are the parts that remain to be implemented.
Merged LWG issue resolutions:
- LWG-3711 #2949 Missing preconditions for slide_view constructor
- LWG-3788 #3130 jthread::operator=(jthread&&) postconditions are unimplementable under self-assignment
Fixed bugs:
- Fixed compiler warnings when using Standard Library Header Units. #3069
- Removed a non-Standard member function locale::c_str(). #3088
- Fixed narrowing warnings when calling piecewise_constant_distribution<float>::densities() and piecewise_linear_distribution<float>::densities(). #3107
- Fixed compiler errors when calling ranges::is_permutation with predicates that return highly unusual boolean-testable types. #3113
- Fixed compiler errors when building the Standard Library Modules with static RTTI disabled. #3115
  - Now, building std.ixx with /GR- /D_HAS_STATIC_RTTI=0 will succeed, and std::any will simply be unavailable (as it inherently requires static RTTI).
  - Additionally, including <any> with static RTTI disabled will emit a warning message but not an error, and the feature-test macro __cpp_lib_any will indicate (by its absence) that the feature is unavailable.
- Fixed compiler errors in reference_wrapper, thread, and variant involving incomplete types. #3101 #3148
- When chrono::time_zone::get_info() throws an exception, fixed it to report GetLastError() as intended, instead of "The operation completed successfully." #3122
- Fixed incorrect results returned by ellint_2(). #3077
- Fixed error_category's default constructor to be constexpr. #3139 #3176
- Fixed all headers to avoid emitting the off-by-default "warning C5262: implicit fall-through occurs here; are you missing a break statement? Use [[fallthrough]] when a break statement is intentionally omitted between cases". #3162
- Fixed compiler errors in certain <ranges> scenarios by properly constraining movable-box's copy constructors. #3171
Improved performance:
- Added support for unwrapping to move_sentinel. #3098
- Improved the performance of uniform_int_distribution by implementing Daniel Lemire's algorithm Fast Random Integer Generation in an Interval. #3012
- Optimized gcd() to avoid a redundant shift. #3127
- Optimized locale::classic() for a 10x speedup (times, not percent). #3048
- Added an attribute to move(), forward(), move_if_noexcept(), and forward_like() that will allow the MSVC compiler to intrinsically implement them without emitting function calls. #3182
Improved throughput:
- Significantly improved compile times for <variant> visit(). #3070
- <format> now includes fewer headers. #3128
- Moved random number generator machinery out of <xutility>, one of the STL's central internal headers. #3157
Enhanced behavior:
- Clarified get_future()'s [[nodiscard("message")]]. #3068
- The internal headers <xatomic.h>, <xbit_ops.h>, and <xerrc.h> are now core headers. #3116
- Improved <format>'s compiler error messages for unformattable types. #3080
Improved test coverage:
- Added test coverage for <variant> visit() invoking pointers to members. #3070
- Expanded test coverage for forward_like(). #3072
- Updated test coverage for views::as_rvalue. #3089
- Expanded test coverage for bind_front() and bind_back(). #3117
- Updated our LLVM submodule reference, including new tests, and updates to the any/optional/variant shared test code. #2976
- Fixed bogus test code discovered by Clang 15. #3135
- Fixed the off-by-default "exhaustive" mode of the parallel is_partitioned() test. #3174
Code cleanups:
- Various cleanups (described in detail in the PRs, not repeated here). #3082 #3083 #3084 #3085 #3086 #3090 #3091 #3092 #3093 #3177 #3178
- Improved Python scripts. #3123
- Removed compiler bug workarounds. #3155
- Moved <atomic> implementation details, preparing for later changes. #3124
- Removed unnecessary partial specializations of common_type for the STL's internal 128-bit integer-class types. #3153
Infrastructure improvements:
- The PR/CI system now uses spot VMs again. #3071
- Configured Azure Pipelines to avoid running checks for draft PRs. #3078
- Added GitHub Actions to allow contributors to move their PR cards in the Code Reviews project. #2584
- Updated dependencies. #3104 #3155
  - Updated build compiler to VS 2022 17.4 Preview 3.
  - Updated Boost.Math to 1.80.0 (now also used by the MSVC-internal build). #3077
  - Updated Clang to 15.0.1 (now required).
  - Updated CMake to 3.24 (now required).
  - Updated Google Benchmark to 1.7.0. #3151
  - Updated Python to 3.10.8.
Updated _MSVC_STL_UPDATE. #3073 #3147

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