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[libc++][type_traits] Implements "A type trait to detect reference binding to temporary" (#128649 )

Implements partially: [P2255R2: A type trait to detect reference binding
to temporary](https://wg21.link/P2255R2)
Issue: https://github.com/llvm/llvm-project/issues/105180

https://eel.is/c++draft/meta.type.synop
https://eel.is/c++draft/meta.unary.prop

Implented type traits:
- [x] `reference_constructs_from_temporary`
- [x] `reference_converts_from_temporary`

Closes #129049

Minor drive-by tweak to `std::is_implicit_lifetime` tests.

---------

Co-authored-by: Hristo Hristov <zingam@outlook.com>

2025-03-08 15:20:56 +01:00

benchmarks

[libc++] Optimize num_put integral functions (#120859 )

2025-03-05 14:18:49 +01:00

configs

[NVPTX] Make ctor/dtor lowering always enabled in NVPTX (#126544 )

2025-02-10 14:25:44 -06:00

libcxx

[libc++] Implement LWG3990 for Clang (#128834 )

2025-03-02 23:00:08 +08:00

std

[libc++][type_traits] Implements "A type trait to detect reference binding to temporary" (#128649 )