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From: Jonathan Wakely <redi@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org, libstdc++-cvs@gcc.gnu.org Subject: [gcc r12-4180] libstdc++: Add noexcept to some std::function internals Date: Tue, 5 Oct 2021 08:36:14 +0000 (GMT) [thread overview] Message-ID: <20211005083614.35AA9385841A@sourceware.org> (raw) https://gcc.gnu.org/g:9665c2e76849c8e0066c6660779ae082fce67ea8 commit r12-4180-g9665c2e76849c8e0066c6660779ae082fce67ea8 Author: Jonathan Wakely <jwakely@redhat.com> Date: Mon Oct 4 15:22:58 2021 +0100 libstdc++: Add noexcept to some std::function internals libstdc++-v3/ChangeLog: * include/bits/std_function.h (_Any_data::_M_access): Add noexcept. (_Function_base::_Base_manager::_M_get_pointer): Likewise. (_Function_base::_Base_manager::_M_not_empty_function): Likewise. Diff: --- libstdc++-v3/include/bits/std_function.h | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/libstdc++-v3/include/bits/std_function.h b/libstdc++-v3/include/bits/std_function.h index 3dda820bd1a..55738440949 100644 --- a/libstdc++-v3/include/bits/std_function.h +++ b/libstdc++-v3/include/bits/std_function.h @@ -82,17 +82,17 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION union [[gnu::may_alias]] _Any_data { - void* _M_access() { return &_M_pod_data[0]; } - const void* _M_access() const { return &_M_pod_data[0]; } + void* _M_access() noexcept { return &_M_pod_data[0]; } + const void* _M_access() const noexcept { return &_M_pod_data[0]; } template<typename _Tp> _Tp& - _M_access() + _M_access() noexcept { return *static_cast<_Tp*>(_M_access()); } template<typename _Tp> const _Tp& - _M_access() const + _M_access() const noexcept { return *static_cast<const _Tp*>(_M_access()); } _Nocopy_types _M_unused; @@ -131,7 +131,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION // Retrieve a pointer to the function object static _Functor* - _M_get_pointer(const _Any_data& __source) + _M_get_pointer(const _Any_data& __source) noexcept { if _GLIBCXX17_CONSTEXPR (__stored_locally) { @@ -217,22 +217,22 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION template<typename _Signature> static bool - _M_not_empty_function(const function<_Signature>& __f) + _M_not_empty_function(const function<_Signature>& __f) noexcept { return static_cast<bool>(__f); } template<typename _Tp> static bool - _M_not_empty_function(_Tp* __fp) + _M_not_empty_function(_Tp* __fp) noexcept { return __fp != nullptr; } template<typename _Class, typename _Tp> static bool - _M_not_empty_function(_Tp _Class::* __mp) + _M_not_empty_function(_Tp _Class::* __mp) noexcept { return __mp != nullptr; } template<typename _Tp> static bool - _M_not_empty_function(const _Tp&) + _M_not_empty_function(const _Tp&) noexcept { return true; } };
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