[libc++] Put _LIBCPP_NODEBUG on all internal aliases (#118710)

This significantly reduces the amount of debug information generated
for codebases using libc++, without hurting the debugging experie

[libc++] Put _LIBCPP_NODEBUG on all internal aliases (#118710)

This significantly reduces the amount of debug information generated
for codebases using libc++, without hurting the debugging experience.

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[libc++] Remove some unnecessary boilerplate in <__chrono/duration.h> (#116238)

[libc++] Format the code base (#74334)

This patch runs clang-format on all of libcxx/include and libcxx/src, in
accordance with the RFC discussed at [1]. Follow-up patches will format
the benchmar

[libc++] Format the code base (#74334)

This patch runs clang-format on all of libcxx/include and libcxx/src, in
accordance with the RFC discussed at [1]. Follow-up patches will format
the benchmarks, the test suite and remaining parts of the code. I'm
splitting this one into its own patch so the diff is a bit easier to
review.

This patch was generated with:

find libcxx/include libcxx/src -type f \
| grep -v 'module.modulemap.in' \
| grep -v 'CMakeLists.txt' \
| grep -v 'README.txt' \
| grep -v 'libcxx.imp' \
| grep -v '__config_site.in' \
| xargs clang-format -i

A Git merge driver is available in libcxx/utils/clang-format-merge-driver.sh
to help resolve merge and rebase issues across these formatting changes.

[1]: https://discourse.llvm.org/t/rfc-clang-formatting-all-of-libc-once-and-for-all

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[libc++][NFC] Add a few explicit 'inline' keywords, mostly in <chrono> (#75234)

Even though constexpr implicitly makes functions inline, we try not to
rely on this implicit effect in the code base.

[libc++][NFC] Add a few explicit 'inline' keywords, mostly in <chrono> (#75234)

Even though constexpr implicitly makes functions inline, we try not to
rely on this implicit effect in the code base. We are mostly consistent
about using `inline` on non-template free-functions to make it clear
that we don't have an ODR violation.

This patch simply fixes a few places where we didn't explicitly use
inline on non-template free functions, presumably because they were
constexpr.

Fixes #75227

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[libc++] Granularize <type_traits> includes

Reviewed By: ldionne, #libc, #libc_abi

Spies: #libc_vendors, smeenai, libcxx-commits

Differential Revision: https://reviews.llvm.org/D145320

[libc++][NFC] Replace _LIBCPP_STD_VER > x with _LIBCPP_STD_VER >= x

This change is almost fully mechanical. The only interesting change is in `generate_feature_test_macro_components.py` to generate

[libc++][NFC] Replace _LIBCPP_STD_VER > x with _LIBCPP_STD_VER >= x

This change is almost fully mechanical. The only interesting change is in `generate_feature_test_macro_components.py` to generate `_LIBCPP_STD_VER >=` instead. To avoid churn in the git-blame this commit should be added to the `.git-blame-ignore-revs` once committed.

Reviewed By: ldionne, var-const, #libc

Spies: jloser, libcxx-commits, arichardson, arphaman, wenlei

Differential Revision: https://reviews.llvm.org/D143962

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[libc++][chrono] Add hh_mm_ss formatter.

Partially implements:
- P1361 Integration of chrono with text formatting
- P2372 Fixing locale handling in chrono formatters
- P1466 Miscellaneous minor fixe

[libc++][chrono] Add hh_mm_ss formatter.

Partially implements:
- P1361 Integration of chrono with text formatting
- P2372 Fixing locale handling in chrono formatters
- P1466 Miscellaneous minor fixes for chrono

Depends on D137022

Reviewed By: ldionne, #libc

Differential Revision: https://reviews.llvm.org/D139771

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[libc++] Add custom clang-tidy checks

Reviewed By: #libc, ldionne

Spies: jwakely, beanz, smeenai, cfe-commits, tschuett, avogelsgesang, Mordante, sstefan1, libcxx-commits, ldionne, mgorny, arichard

[libc++] Add custom clang-tidy checks

Reviewed By: #libc, ldionne

Spies: jwakely, beanz, smeenai, cfe-commits, tschuett, avogelsgesang, Mordante, sstefan1, libcxx-commits, ldionne, mgorny, arichardson, miyuki

Differential Revision: https://reviews.llvm.org/D131963

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[libc++] Make the naming of private member variables consistent and enforce it through readability-identifier-naming

Reviewed By: ldionne, #libc

Spies: aheejin, sstefan1, libcxx-commits

Differenti

[libc++] Make the naming of private member variables consistent and enforce it through readability-identifier-naming

Reviewed By: ldionne, #libc

Spies: aheejin, sstefan1, libcxx-commits

Differential Revision: https://reviews.llvm.org/D129386

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[NFC][libc++] Modularize chrono's calendar.

The is a followup of D116965 to split the calendar header. This is a
preparation to add the formatters for the chrono header.

The code is only moved no o

[NFC][libc++] Modularize chrono's calendar.

The is a followup of D116965 to split the calendar header. This is a
preparation to add the formatters for the chrono header.

The code is only moved no other changes have been made.

Reviewed By: ldionne, #libc, philnik

Differential Revision: https://reviews.llvm.org/D122995

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