Version 2.2.1 - #140
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* feat & perf: add ADL swap() function. * style: adjust the format of trivially_move. * resolve review comments.
* fix: fix wrong `INTERFACE` bug in CMakeLists.txt. * ci: add Sanitizer. * fix: install libclang-rt-$v-dev for clang. * fix: remove -fsanitize=undefined in GCC to avoid bug. * docs: add comments for GCC bug.
* fix: freestanding. * docs: update `release_notes.md`. * test: add tests for freestanding. * fix: no link to fix bug in clang.
* refactor: construct ErasurePass directly with const ptr. * refactor: remove `const_cast` in operator(). * fix: avoid using double underscore `__` according to [lex.name]/4.1 . * style: simplify the operator(). * fix: GCC 16 ipa-cp workaround. * resolve review comments. * resolve review comments.
* fix: fix warning `-Wuninitialized`. * fix: fix bug in test. * docs: update `release_notes.md`. * resolve review comments.
… setup (#137) ## Summary Add [ngcpp/proxy](https://github.com/ngcpp/proxy) (a C++20 pointer-semantics based polymorphic wrapper) as a new comparison target across the runtime benchmarks, and refresh the benchmark build configuration and related docs/CI. ## Changes ### Benchmark (new proxy comparisons) - Add proxy (pro) to benchmark.hpp include and benchmark/CMakeLists.txt as a benchmark target. - Add pro cases to existing benchmark suites: - benchmark_lambda.cpp: scalar / trivial / call-trivial lambda calls. - benchmark_move_only_function.cpp: scalar, small-trivial, multi-trivial parameter forwarding. - benchmark_assignment.cpp: copy/move assignment for small-trivial, large-capture, stateless, function-pointer and same-type cases. - benchmark_create.cpp: capture-lambda and non-trivial-functor creation. - benchmark_std_op.cpp, benchmark_free_function.cpp: additional pro cases. - Vendor proxy v4 source under benchmark/runtime/proxy/. ### Benchmark config - Switch compile flags from -Os to -O2 (fixes the strange bug on MinGW). - Adjust BENCHMARK_TIMES to {1000, 1000000} and BENCHMARK_REPEAT to 15. - Require C++20 (proxy needs C++20; function2 still works). Fixes - Add a missing `volatile` in `MoveOnlyFunction.Params.SmallTrivial` ### Docs / CI - Update README.md benchmark results section , add references to P2721 (deprecating std::function) and P3086 (proxy). - Update `benchmark/README.md`, `test/README.md` for the new commands. - benchmark.yml: drop unused ninja-build install and use --parallel.
* resolve agent comments. * docs: add PR number to `release_notes.md`.
Kim-J-Smith
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Kim-J-Smith
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Aug 14, 2026
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🔧 Fixed Bugs
throw_or_terminate()now usesstd::terminate()and thestd::functionoverload ofnot_empty()is skipped when__STDC_HOSTED__is not defined. (fix: freestanding. #132)gcc_ipa_cp_friendly_cast()so indirect calls viam_invokerare tracked correctly (see issue Whyebd::fnbehave differently when called twice? #133). (Refactoroperator(). #134)-Wuninitializedwarning by explicitly initializingBase_MemberVariablein the default/nullptr_t/functor constructors. (Fixed-Wuninitializedwarning. #136)MoveOnlyFunction.Params.SmallTrivial(wrongvolatile void*usage). ( benchmark: add proxy as a new comparison target and update benchmark setup #137)✨ New Features
proxycases added to all runtime benchmark suites (headers vendored inbenchmark/runtime/proxy/). ( benchmark: add proxy as a new comparison target and update benchmark setup #137)🛠️ Optimizations and Improvements
ErasurePassdirectly with const pointers, adding dedicated constructors for const/volatile-qualified erased pointers. (Refactoroperator(). #134)operator()by inlining the invoker call and dropping theinvoke()helper from the command tables and removing unnecessaryconst_cast. (Refactoroperator(). #134)-O2(was-Os) to avoid the strange bug in MinGW, and benchmark parameters were adjusted (BENCHMARK_TIMES {1000, 1000000},BENCHMARK_REPEAT 15). ( benchmark: add proxy as a new comparison target and update benchmark setup #137)-O2). ( benchmark: add proxy as a new comparison target and update benchmark setup #137)-fsanitize=addressand Clang tests build with-fsanitize=address,undefined. (Add sanitizer test. #130)DEBUGnow forces the debug diagnostics (assertions and terminate checks) to stay active even whenNDEBUGor__OPTIMIZE__is defined. (Fixed-Wuninitializedwarning. #136)[[msvc::intrinsic]]togcc_ipa_cp_friendly_cast()to help MSVC inline. (perf: add EMBED_DETAIL_MSVC_INTRINSIC for MSVC. #135)📌 Notes
proxydependency.