[libc++] Granularize <cstddef> includes

[philnik777]

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git-clang-format --diff 2fb133f32af42b29e1e1bbbbc24fb75eea3f34a2 6bfe8136c0744068ea2c134b5c4cf8f3323e7ef5 --extensions h,,cpp -- libcxx/include/__algorithm/copy_move_common.h libcxx/include/__algorithm/inplace_merge.h libcxx/include/__algorithm/mismatch.h libcxx/include/__algorithm/shuffle.h libcxx/include/__algorithm/simd_utils.h libcxx/include/__algorithm/stable_partition.h libcxx/include/__algorithm/stable_sort.h libcxx/include/__atomic/aliases.h libcxx/include/__atomic/atomic.h libcxx/include/__atomic/atomic_ref.h libcxx/include/__atomic/cxx_atomic_impl.h libcxx/include/__charconv/to_chars_integral.h libcxx/include/__compare/common_comparison_category.h libcxx/include/__concepts/swappable.h libcxx/include/__coroutine/coroutine_handle.h libcxx/include/__exception/exception_ptr.h libcxx/include/__exception/nested_exception.h libcxx/include/__exception/operations.h libcxx/include/__filesystem/directory_iterator.h libcxx/include/__filesystem/path.h libcxx/include/__filesystem/path_iterator.h libcxx/include/__filesystem/recursive_directory_iterator.h libcxx/include/__format/buffer.h libcxx/include/__format/escaped_output_table.h libcxx/include/__format/extended_grapheme_cluster_table.h libcxx/include/__format/format_args.h libcxx/include/__format/format_context.h libcxx/include/__format/format_string.h libcxx/include/__format/formatter_floating_point.h libcxx/include/__format/formatter_output.h libcxx/include/__format/formatter_pointer.h libcxx/include/__format/indic_conjunct_break_table.h libcxx/include/__format/width_estimation_table.h libcxx/include/__functional/bind.h libcxx/include/__functional/hash.h libcxx/include/__hash_table libcxx/include/__iterator/access.h libcxx/include/__iterator/aliasing_iterator.h libcxx/include/__iterator/back_insert_iterator.h libcxx/include/__iterator/data.h libcxx/include/__iterator/empty.h libcxx/include/__iterator/front_insert_iterator.h libcxx/include/__iterator/incrementable_traits.h libcxx/include/__iterator/insert_iterator.h libcxx/include/__iterator/istream_iterator.h libcxx/include/__iterator/iterator.h libcxx/include/__iterator/iterator_traits.h libcxx/include/__iterator/ostream_iterator.h libcxx/include/__iterator/ostreambuf_iterator.h libcxx/include/__iterator/reverse_access.h libcxx/include/__iterator/segmented_iterator.h libcxx/include/__iterator/size.h libcxx/include/__iterator/wrap_iter.h libcxx/include/__mdspan/default_accessor.h libcxx/include/__mdspan/extents.h libcxx/include/__mdspan/layout_left.h libcxx/include/__mdspan/layout_right.h libcxx/include/__mdspan/layout_stride.h libcxx/include/__mdspan/mdspan.h libcxx/include/__memory/align.h libcxx/include/__memory/aligned_alloc.h libcxx/include/__memory/allocate_at_least.h libcxx/include/__memory/allocation_guard.h libcxx/include/__memory/allocator.h libcxx/include/__memory/allocator_traits.h libcxx/include/__memory/assume_aligned.h libcxx/include/__memory/builtin_new_allocator.h libcxx/include/__memory/compressed_pair.h libcxx/include/__memory/destruct_n.h libcxx/include/__memory/pointer_traits.h libcxx/include/__memory/raw_storage_iterator.h libcxx/include/__memory/shared_ptr.h libcxx/include/__memory/temporary_buffer.h libcxx/include/__memory/unique_ptr.h libcxx/include/__memory/uses_allocator.h libcxx/include/__memory_resource/memory_resource.h libcxx/include/__memory_resource/monotonic_buffer_resource.h libcxx/include/__memory_resource/polymorphic_allocator.h libcxx/include/__memory_resource/pool_options.h libcxx/include/__memory_resource/synchronized_pool_resource.h libcxx/include/__memory_resource/unsynchronized_pool_resource.h libcxx/include/__numeric/midpoint.h libcxx/include/__ostream/basic_ostream.h libcxx/include/__pstl/backends/libdispatch.h libcxx/include/__pstl/backends/std_thread.h libcxx/include/__pstl/cpu_algos/cpu_traits.h libcxx/include/__pstl/cpu_algos/find_if.h libcxx/include/__pstl/cpu_algos/transform_reduce.h libcxx/include/__random/discard_block_engine.h libcxx/include/__random/discrete_distribution.h libcxx/include/__random/independent_bits_engine.h libcxx/include/__random/log2.h libcxx/include/__random/mersenne_twister_engine.h libcxx/include/__random/piecewise_constant_distribution.h libcxx/include/__random/piecewise_linear_distribution.h libcxx/include/__random/shuffle_order_engine.h libcxx/include/__random/subtract_with_carry_engine.h libcxx/include/__random/uniform_int_distribution.h libcxx/include/__ranges/access.h libcxx/include/__ranges/counted.h libcxx/include/__ranges/drop_view.h libcxx/include/__ranges/elements_view.h libcxx/include/__ranges/empty_view.h libcxx/include/__ranges/istream_view.h libcxx/include/__ranges/repeat_view.h libcxx/include/__ranges/single_view.h libcxx/include/__ranges/size.h libcxx/include/__ranges/subrange.h libcxx/include/__ranges/take_view.h libcxx/include/__ranges/to.h libcxx/include/__split_buffer libcxx/include/__stop_token/intrusive_shared_ptr.h libcxx/include/__string/char_traits.h libcxx/include/__string/constexpr_c_functions.h libcxx/include/__system_error/error_code.h libcxx/include/__system_error/error_condition.h libcxx/include/__utility/in_place.h libcxx/include/__utility/integer_sequence.h libcxx/include/__utility/pair.h libcxx/include/__utility/priority_tag.h libcxx/include/__utility/small_buffer.h libcxx/include/__utility/swap.h libcxx/include/__variant/monostate.h libcxx/include/array libcxx/include/atomic libcxx/include/barrier libcxx/include/bitset libcxx/include/charconv libcxx/include/compare libcxx/include/concepts libcxx/include/coroutine libcxx/include/exception libcxx/include/experimental/__simd/aligned_tag.h libcxx/include/experimental/__simd/declaration.h libcxx/include/experimental/__simd/reference.h libcxx/include/experimental/__simd/scalar.h libcxx/include/experimental/__simd/simd.h libcxx/include/experimental/__simd/simd_mask.h libcxx/include/experimental/__simd/traits.h libcxx/include/experimental/__simd/utility.h libcxx/include/experimental/__simd/vec_ext.h libcxx/include/experimental/iterator libcxx/include/experimental/memory libcxx/include/experimental/propagate_const libcxx/include/experimental/simd libcxx/include/experimental/type_traits libcxx/include/experimental/utility libcxx/include/initializer_list libcxx/include/iterator libcxx/include/latch libcxx/include/mutex libcxx/include/new libcxx/include/numbers libcxx/include/semaphore libcxx/include/span libcxx/include/stdexcept libcxx/include/stop_token libcxx/include/string_view libcxx/include/tuple libcxx/include/typeindex libcxx/include/typeinfo libcxx/include/utility libcxx/include/valarray libcxx/include/variant libcxx/src/memory_resource.cpp libcxx/test/libcxx/algorithms/alg.modifying.operations/alg.random.shuffle/random_shuffle.cxx1z.pass.cpp libcxx/test/libcxx/containers/sequences/deque/asan_turning_off.pass.cpp libcxx/test/libcxx/utilities/template.bitset/includes.pass.cpp libcxx/test/std/containers/views/mdspan/extents/CtorTestCombinations.h libcxx/test/std/containers/views/mdspan/extents/obs_static.pass.cpp libcxx/test/std/containers/views/mdspan/layout_left/ctor.default.pass.cpp libcxx/test/std/containers/views/mdspan/layout_left/ctor.extents.pass.cpp libcxx/test/std/containers/views/mdspan/layout_left/required_span_size.pass.cpp libcxx/test/std/containers/views/mdspan/layout_right/ctor.default.pass.cpp libcxx/test/std/containers/views/mdspan/layout_right/ctor.extents.pass.cpp libcxx/test/std/containers/views/mdspan/layout_right/required_span_size.pass.cpp libcxx/test/std/containers/views/mdspan/layout_stride/ctor.default.pass.cpp libcxx/test/std/containers/views/mdspan/layout_stride/required_span_size.pass.cpp libcxx/test/std/containers/views/views.span/span.cons/iterator_sentinel.verify.cpp libcxx/test/std/containers/views/views.span/span.objectrep/as_bytes.pass.cpp libcxx/test/std/containers/views/views.span/span.objectrep/as_writable_bytes.pass.cpp libcxx/test/std/diagnostics/syserr/is_error_code_enum.pass.cpp libcxx/test/std/iterators/iterator.requirements/iterator.assoc.types/incrementable.traits/incrementable_traits.compile.pass.cpp libcxx/test/std/numerics/bit/byteswap.pass.cpp libcxx/test/std/ranges/range.factories/range.repeat.view/iterator/minus.pass.cpp libcxx/test/std/utilities/memory/temporary.buffer/temporary_buffer.pass.cpp libcxxabi/src/private_typeinfo.cpp

View the diff from clang-format here.

diff --git a/libcxx/test/std/containers/views/mdspan/layout_right/required_span_size.pass.cpp b/libcxx/test/std/containers/views/mdspan/layout_right/required_span_size.pass.cpp
index 0e354b2da5..2ffd1f41f9 100644
--- a/libcxx/test/std/containers/views/mdspan/layout_right/required_span_size.pass.cpp
+++ b/libcxx/test/std/containers/views/mdspan/layout_right/required_span_size.pass.cpp
@@ -14,7 +14,6 @@
 //
 // Returns: extents().fwd-prod-of-extents(extents_type::rank()).
 
-
 #include <cassert>
 #include <cstddef>
 #include <cstdint>
diff --git a/libcxx/test/std/containers/views/views.span/span.objectrep/as_bytes.pass.cpp b/libcxx/test/std/containers/views/views.span/span.objectrep/as_bytes.pass.cpp
index a6c2a5a6ba..44b658fb83 100644
--- a/libcxx/test/std/containers/views/views.span/span.objectrep/as_bytes.pass.cpp
+++ b/libcxx/test/std/containers/views/views.span/span.objectrep/as_bytes.pass.cpp
@@ -16,7 +16,6 @@
 //              : sizeof(ElementType) * Extent>
 //     as_bytes(span<ElementType, Extent> s) noexcept;
 
-
 #include <cassert>
 #include <cstddef>
 #include <span>
diff --git a/libcxx/test/std/containers/views/views.span/span.objectrep/as_writable_bytes.pass.cpp b/libcxx/test/std/containers/views/views.span/span.objectrep/as_writable_bytes.pass.cpp
index b5bc58db57..d38d69d9fe 100644
--- a/libcxx/test/std/containers/views/views.span/span.objectrep/as_writable_bytes.pass.cpp
+++ b/libcxx/test/std/containers/views/views.span/span.objectrep/as_writable_bytes.pass.cpp
@@ -16,7 +16,6 @@
 //              : sizeof(ElementType) * Extent>
 //     as_writable_bytes(span<ElementType, Extent> s) noexcept;
 
-
 #include <cassert>
 #include <cstddef>
 #include <span>