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Add Container and Interprocess notes (#531)

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* Add Container and Interprocess notes

* Fix typo in issue link for Clang 20 warnings

Capitalize Clang
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Ion Gaztañaga
2025-11-04 18:28:28 +01:00
committed by GitHub
parent d94509f7bc
commit ab26ddcb7a
1 changed files with 32 additions and 0 deletions
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release-notes/boost_1_90_0.adoc
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@@ -55,6 +55,32 @@ particularly for mixed successful/unsuccessful queries.
** Added `to_underlying.hpp` (contributed by Braden Ganetsky.)
** Extracted `nontype_t` to its own public header `nontype.hpp` and added `nontype`.
* boost_phrase:library[Container,/libs/container/]:
** Reimplemented `deque`. The original implementation was based on
the SGI's original data structure (similar to libstdc++). Main changes:
*** `sizeof(deque)` was 10 words, now is 4 words. Probably the lightest implementation around.
*** `sizeof(deque::iterator)` was 4 words, now is is 2 words (similar to libc++ and MSVC).)
*** Several internal algorithms were reimplemented to speed up the segmented nature of deque.
*** Defaults were slightly changed, 64 bit platforms now use 1024 byte blocks by default instead of classic SGI 512 byte blocks.
*** The new implementation eases further deque-like variations and optimizations in the future.
** Fixed bugs/issues:
*** https://github.com/boostorg/container/issues/248[GitHub #248: "flat_map slow insertion introduced in boost-1.80.0"].
*** https://github.com/boostorg/container/issues/254[GitHub #254: "C++20 std::erase_if"].
*** https://github.com/boostorg/container/issues/293/[GitHub #293: "UBSAN reports unaligned access error"].
*** https://github.com/boostorg/container/pull/294[GitHub #294: "CMake: Add option to use header-only Boost::container"].
*** https://github.com/boostorg/container/issues/300[GitHub #300: "Warnings when building with Clang 20"].
*** https://github.com/boostorg/container/issues/304[GitHub #304: "Usage of boost::container::small_vector with custom allocator"].
*** https://github.com/boostorg/container/pull/305[GitHub #305: "Warnings with -Wstrict-prototypes"].
*** https://github.com/boostorg/container/pull/307[GitHub #307: "Fix all instances of MSVC warning C4146 (unsigned negation)"].
*** https://github.com/boostorg/container/issues/309[GitHub #309: "Performance regression of boost::container::static_vector introduced in boost v1.86"].
*** https://github.com/boostorg/container/issues/306[GitHub #306: "new_allocator.hpp error: '__cpp_sized_deallocation' is not defined, evaluates to 0 [-Werror,-Wundef]"].
*** https://github.com/boostorg/container/issues/310[GitHub #310: "flat_map: Mention correct type in documentation of emplace and emplace_hint"].
*** https://github.com/boostorg/container/issues/312[GitHub #312: "flat_map std::allocator::is_always_equal is deprecated"].
*** https://github.com/boostorg/container/pull/317/[GitHub #317: "Partial revert of changes for Issue #209 - compiler warnings"].
*** https://github.com/boostorg/container/pull/321/[GitHub #321: "devector does not work with pmr allocators"].
* boost_phrase:library[Core,/libs/core/]:
** The implementation of `BOOST_TEST_THROWS` and `BOOST_TEST_NO_THROW` macros defined in
`boost/core/lightweight_test.hpp` has been changed to avoid
@@ -85,6 +111,12 @@ particularly for mixed successful/unsuccessful queries.
* boost_phrase:library[Flyweight,/libs/flyweight/]:
** Fixed compile errors in Clang 19 and later due to https://wg21.link/p0522r0[P0522R0] support.
* boost_phrase:library[Interprocess,/libs/interprocess/]:
** Minor documentation fixes.
** Fixed bugs:
*** https://github.com/boostorg/interprocess/pull/245[GitHub #245: "Fix UBSan runtime error (load of 'boost::interprocess::mode_t')"].
*** https://github.com/boostorg/interprocess/pull/269[GitHub #269: "Minor documentation fixes and template parameter renames"].
* boost_phrase:library[JSON,/libs/json/]:
** Removed dependencies on Boost.Align and Boost.StaticAssert.
** Switched to a faster hashing algorithm.