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[libc++][stdatomic.h] Implements LWG3671. #99775

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Merged
merged 1 commit into from
Jul 30, 2024
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[libc++][stdatomic.h] Implements LWG3671. #99775

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2 changes: 1 addition & 1 deletion libcxx/docs/Status/Cxx23Issues.csv
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Original file line number Diff line number Diff line change
Expand Up @@ -164,7 +164,7 @@
"`3656 <https://wg21.link/LWG3656>`__","Inconsistent bit operations returning a count","July 2022","|Complete|","15.0",""
"`3659 <https://wg21.link/LWG3659>`__","Consider ``ATOMIC_FLAG_INIT`` undeprecation","July 2022","|Complete|","15.0"
"`3670 <https://wg21.link/LWG3670>`__","``Cpp17InputIterators`` don't have integer-class difference types","July 2022","","","|ranges|"
"`3671 <https://wg21.link/LWG3671>`__","``atomic_fetch_xor`` missing from ``stdatomic.h``","July 2022","",""
"`3671 <https://wg21.link/LWG3671>`__","``atomic_fetch_xor`` missing from ``stdatomic.h``","July 2022","|Complete|","20.0"
"`3672 <https://wg21.link/LWG3672>`__","``common_iterator::operator->()`` should return by value","July 2022","|Complete|","19.0","|ranges|"
"`3683 <https://wg21.link/LWG3683>`__","``operator==`` for ``polymorphic_allocator`` cannot deduce template argument in common cases","July 2022","",""
"`3687 <https://wg21.link/LWG3687>`__","``expected<cv void, E>`` move constructor should move","July 2022","|Complete|","16.0"
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4 changes: 4 additions & 0 deletions libcxx/include/stdatomic.h
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Expand Up @@ -103,6 +103,8 @@ using std::atomic_fetch_sub // see below
using std::atomic_fetch_sub_explicit // see below
using std::atomic_fetch_or // see below
using std::atomic_fetch_or_explicit // see below
using std::atomic_fetch_xor // see below
using std::atomic_fetch_xor_explicit // see below
using std::atomic_fetch_and // see below
using std::atomic_fetch_and_explicit // see below
using std::atomic_flag_test_and_set // see below
Expand Down Expand Up @@ -204,6 +206,8 @@ using std::atomic_fetch_add_explicit _LIBCPP_USING_IF_EXISTS;
using std::atomic_fetch_and _LIBCPP_USING_IF_EXISTS;
using std::atomic_fetch_and_explicit _LIBCPP_USING_IF_EXISTS;
using std::atomic_fetch_or _LIBCPP_USING_IF_EXISTS;
using std::atomic_fetch_xor_explicit _LIBCPP_USING_IF_EXISTS;
using std::atomic_fetch_xor _LIBCPP_USING_IF_EXISTS;
using std::atomic_fetch_or_explicit _LIBCPP_USING_IF_EXISTS;
using std::atomic_fetch_sub _LIBCPP_USING_IF_EXISTS;
using std::atomic_fetch_sub_explicit _LIBCPP_USING_IF_EXISTS;
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4 changes: 4 additions & 0 deletions libcxx/test/std/atomics/stdatomic.h.syn/types.compile.pass.cpp
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Expand Up @@ -101,6 +101,8 @@
// using std::atomic_fetch_sub_explicit // see below
// using std::atomic_fetch_or // see below
// using std::atomic_fetch_or_explicit // see below
// using std::atomic_fetch_xor // see below
// using std::atomic_fetch_xor_explicit // see below
// using std::atomic_fetch_and // see below
// using std::atomic_fetch_and_explicit // see below
// using std::atomic_flag_test_and_set // see below
Expand Down Expand Up @@ -222,6 +224,8 @@ void f() {
using ::atomic_fetch_or_explicit;
using ::atomic_fetch_sub;
using ::atomic_fetch_sub_explicit;
using ::atomic_fetch_xor;
using ::atomic_fetch_xor_explicit;
using ::atomic_flag_clear;
using ::atomic_flag_clear_explicit;
using ::atomic_flag_test_and_set;
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