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-rw-r--r--libstdc++-v3/include/bits/max_size_type.h83
-rw-r--r--libstdc++-v3/include/bits/shared_ptr.h58
-rw-r--r--libstdc++-v3/include/bits/shared_ptr_base.h40
-rw-r--r--libstdc++-v3/include/bits/stl_iterator.h30
-rw-r--r--libstdc++-v3/include/bits/version.def12
-rw-r--r--libstdc++-v3/include/bits/version.h13
6 files changed, 219 insertions, 17 deletions
diff --git a/libstdc++-v3/include/bits/max_size_type.h b/libstdc++-v3/include/bits/max_size_type.h
index 73a6d14..30c5b12 100644
--- a/libstdc++-v3/include/bits/max_size_type.h
+++ b/libstdc++-v3/include/bits/max_size_type.h
@@ -38,6 +38,7 @@
#include <ext/numeric_traits.h>
#include <bit> // __bit_width
#include <numbers>
+#include <limits> // __glibcxx_integral_traps
// This header implements unsigned and signed integer-class types (as per
// [iterator.concept.winc]) that are one bit wider than the widest supported
@@ -775,10 +776,27 @@ namespace ranges
static constexpr bool is_signed = false;
static constexpr bool is_integer = true;
static constexpr bool is_exact = true;
+ static constexpr bool is_bounded = true;
+ static constexpr bool is_modulo = true;
+ static constexpr bool traps = __glibcxx_integral_traps;
+ static constexpr int radix = 2;
static constexpr int digits
= __gnu_cxx::__int_traits<_Sp::__rep>::__digits + 1;
static constexpr int digits10
= static_cast<int>(digits * numbers::ln2 / numbers::ln10);
+ static constexpr int max_digits10 = 0;
+ static constexpr int min_exponent = 0;
+ static constexpr int min_exponent10 = 0;
+ static constexpr int max_exponent = 0;
+ static constexpr int max_exponent10 = 0;
+ static constexpr bool is_iec559 = false;
+ static constexpr bool has_infinity = false;
+ static constexpr bool has_quiet_NaN = false;
+ static constexpr bool has_signaling_NaN = false;
+ static constexpr bool has_denorm_loss = false;
+ static constexpr bool tinyness_before = false;
+ static constexpr float_denorm_style has_denorm = denorm_absent;
+ static constexpr float_round_style round_style = round_toward_zero;
static constexpr _Sp
min() noexcept
@@ -791,6 +809,30 @@ namespace ranges
static constexpr _Sp
lowest() noexcept
{ return min(); }
+
+ static constexpr _Sp
+ denorm_min() noexcept
+ { return 0; }
+
+ static constexpr _Sp
+ epsilon() noexcept
+ { return 0; }
+
+ static constexpr _Sp
+ round_error() noexcept
+ { return 0; }
+
+ static constexpr _Sp
+ infinity() noexcept
+ { return 0; }
+
+ static constexpr _Sp
+ quiet_NaN() noexcept
+ { return 0; }
+
+ static constexpr _Sp
+ signaling_NaN() noexcept
+ { return 0; }
};
template<>
@@ -802,9 +844,26 @@ namespace ranges
static constexpr bool is_signed = true;
static constexpr bool is_integer = true;
static constexpr bool is_exact = true;
+ static constexpr bool is_bounded = true;
+ static constexpr bool is_modulo = false;
+ static constexpr bool traps = __glibcxx_integral_traps;
+ static constexpr int radix = 2;
static constexpr int digits = numeric_limits<_Sp>::digits - 1;
static constexpr int digits10
= static_cast<int>(digits * numbers::ln2 / numbers::ln10);
+ static constexpr int max_digits10 = 0;
+ static constexpr int min_exponent = 0;
+ static constexpr int min_exponent10 = 0;
+ static constexpr int max_exponent = 0;
+ static constexpr int max_exponent10 = 0;
+ static constexpr bool is_iec559 = false;
+ static constexpr bool has_infinity = false;
+ static constexpr bool has_quiet_NaN = false;
+ static constexpr bool has_signaling_NaN = false;
+ static constexpr bool has_denorm_loss = false;
+ static constexpr bool tinyness_before = false;
+ static constexpr float_denorm_style has_denorm = denorm_absent;
+ static constexpr float_round_style round_style = round_toward_zero;
static constexpr _Dp
min() noexcept
@@ -817,6 +876,30 @@ namespace ranges
static constexpr _Dp
lowest() noexcept
{ return min(); }
+
+ static constexpr _Dp
+ denorm_min() noexcept
+ { return 0; }
+
+ static constexpr _Dp
+ epsilon() noexcept
+ { return 0; }
+
+ static constexpr _Dp
+ round_error() noexcept
+ { return 0; }
+
+ static constexpr _Dp
+ infinity() noexcept
+ { return 0; }
+
+ static constexpr _Dp
+ quiet_NaN() noexcept
+ { return 0; }
+
+ static constexpr _Dp
+ signaling_NaN() noexcept
+ { return 0; }
};
template<>
diff --git a/libstdc++-v3/include/bits/shared_ptr.h b/libstdc++-v3/include/bits/shared_ptr.h
index a196a0f..f2b4601 100644
--- a/libstdc++-v3/include/bits/shared_ptr.h
+++ b/libstdc++-v3/include/bits/shared_ptr.h
@@ -909,6 +909,64 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
: public _Sp_owner_less<weak_ptr<_Tp>, shared_ptr<_Tp>>
{ };
+#ifdef __glibcxx_smart_ptr_owner_equality // >= C++26
+
+ /**
+ * @brief Provides ownership-based hashing.
+ * @headerfile memory
+ * @since C++26
+ */
+ struct owner_hash
+ {
+ template<typename _Tp>
+ size_t
+ operator()(const shared_ptr<_Tp>& __s) const noexcept
+ { return __s.owner_hash(); }
+
+ template<typename _Tp>
+ size_t
+ operator()(const weak_ptr<_Tp>& __s) const noexcept
+ { return __s.owner_hash(); }
+
+ using is_transparent = void;
+ };
+
+ /**
+ * @brief Provides ownership-based mixed equality comparisons of
+ * shared and weak pointers.
+ * @headerfile memory
+ * @since C++26
+ */
+ struct owner_equal
+ {
+ template<typename _Tp1, typename _Tp2>
+ bool
+ operator()(const shared_ptr<_Tp1>& __lhs,
+ const shared_ptr<_Tp2>& __rhs) const noexcept
+ { return __lhs.owner_equal(__rhs); }
+
+ template<typename _Tp1, typename _Tp2>
+ bool
+ operator()(const shared_ptr<_Tp1>& __lhs,
+ const weak_ptr<_Tp2>& __rhs) const noexcept
+ { return __lhs.owner_equal(__rhs); }
+
+ template<typename _Tp1, typename _Tp2>
+ bool
+ operator()(const weak_ptr<_Tp1>& __lhs,
+ const shared_ptr<_Tp2>& __rhs) const noexcept
+ { return __lhs.owner_equal(__rhs); }
+
+ template<typename _Tp1, typename _Tp2>
+ bool
+ operator()(const weak_ptr<_Tp1>& __lhs,
+ const weak_ptr<_Tp2>& __rhs) const noexcept
+ { return __lhs.owner_equal(__rhs); }
+
+ using is_transparent = void;
+ };
+#endif
+
/**
* @brief Base class allowing use of the member function `shared_from_this`.
* @headerfile memory
diff --git a/libstdc++-v3/include/bits/shared_ptr_base.h b/libstdc++-v3/include/bits/shared_ptr_base.h
index b4be1b4..fb868e7 100644
--- a/libstdc++-v3/include/bits/shared_ptr_base.h
+++ b/libstdc++-v3/include/bits/shared_ptr_base.h
@@ -1122,6 +1122,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
_M_less(const __weak_count<_Lp>& __rhs) const noexcept
{ return std::less<_Sp_counted_base<_Lp>*>()(this->_M_pi, __rhs._M_pi); }
+#ifdef __glibcxx_smart_ptr_owner_equality // >= C++26
+ size_t
+ _M_owner_hash() const noexcept
+ { return std::hash<_Sp_counted_base<_Lp>*>()(this->_M_pi); }
+#endif
+
// Friend function injected into enclosing namespace and found by ADL
friend inline bool
operator==(const __shared_count& __a, const __shared_count& __b) noexcept
@@ -1225,6 +1231,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
_M_less(const __shared_count<_Lp>& __rhs) const noexcept
{ return std::less<_Sp_counted_base<_Lp>*>()(this->_M_pi, __rhs._M_pi); }
+#ifdef __glibcxx_smart_ptr_owner_equality // >= C++26
+ size_t
+ _M_owner_hash() const noexcept
+ { return std::hash<_Sp_counted_base<_Lp>*>()(this->_M_pi); }
+#endif
+
// Friend function injected into enclosing namespace and found by ADL
friend inline bool
operator==(const __weak_count& __a, const __weak_count& __b) noexcept
@@ -1715,6 +1727,20 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
{ return _M_refcount._M_less(__rhs._M_refcount); }
/// @}
+#ifdef __glibcxx_smart_ptr_owner_equality // >= C++26
+ size_t owner_hash() const noexcept { return _M_refcount._M_owner_hash(); }
+
+ template<typename _Tp1>
+ bool
+ owner_equal(__shared_ptr<_Tp1, _Lp> const& __rhs) const noexcept
+ { return _M_refcount == __rhs._M_refcount; }
+
+ template<typename _Tp1>
+ bool
+ owner_equal(__weak_ptr<_Tp1, _Lp> const& __rhs) const noexcept
+ { return _M_refcount == __rhs._M_refcount; }
+#endif
+
protected:
// This constructor is non-standard, it is used by allocate_shared.
template<typename _Alloc, typename... _Args>
@@ -2098,6 +2124,20 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
owner_before(const __weak_ptr<_Tp1, _Lp>& __rhs) const noexcept
{ return _M_refcount._M_less(__rhs._M_refcount); }
+#ifdef __glibcxx_smart_ptr_owner_equality // >= C++26
+ size_t owner_hash() const noexcept { return _M_refcount._M_owner_hash(); }
+
+ template<typename _Tp1>
+ bool
+ owner_equal(const __shared_ptr<_Tp1, _Lp> & __rhs) const noexcept
+ { return _M_refcount == __rhs._M_refcount; }
+
+ template<typename _Tp1>
+ bool
+ owner_equal(const __weak_ptr<_Tp1, _Lp> & __rhs) const noexcept
+ { return _M_refcount == __rhs._M_refcount; }
+#endif
+
void
reset() noexcept
{ __weak_ptr().swap(*this); }
diff --git a/libstdc++-v3/include/bits/stl_iterator.h b/libstdc++-v3/include/bits/stl_iterator.h
index a7188f4..75e794f 100644
--- a/libstdc++-v3/include/bits/stl_iterator.h
+++ b/libstdc++-v3/include/bits/stl_iterator.h
@@ -1211,7 +1211,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
#else
// Forward iterator requirements
template<typename _Iter>
- __attribute__((__always_inline__)) _GLIBCXX_NODISCARD
+ _GLIBCXX_NODISCARD __attribute__((__always_inline__))
friend
_GLIBCXX_CONSTEXPR
bool
@@ -1220,7 +1220,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
_GLIBCXX_NOEXCEPT
{ return __lhs.base() == __rhs.base(); }
- __attribute__((__always_inline__)) _GLIBCXX_NODISCARD
+ _GLIBCXX_NODISCARD __attribute__((__always_inline__))
friend
_GLIBCXX_CONSTEXPR
bool
@@ -1229,7 +1229,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
{ return __lhs.base() == __rhs.base(); }
template<typename _Iter>
- __attribute__((__always_inline__)) _GLIBCXX_NODISCARD
+ _GLIBCXX_NODISCARD __attribute__((__always_inline__))
friend
_GLIBCXX_CONSTEXPR
bool
@@ -1238,7 +1238,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
_GLIBCXX_NOEXCEPT
{ return __lhs.base() != __rhs.base(); }
- __attribute__((__always_inline__)) _GLIBCXX_NODISCARD
+ _GLIBCXX_NODISCARD __attribute__((__always_inline__))
friend
_GLIBCXX_CONSTEXPR
bool
@@ -1248,15 +1248,16 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
// Random access iterator requirements
template<typename _Iter>
+ _GLIBCXX_NODISCARD __attribute__((__always_inline__))
friend
- __attribute__((__always_inline__)) _GLIBCXX_NODISCARD _GLIBCXX_CONSTEXPR
+ _GLIBCXX_CONSTEXPR
inline bool
operator<(const __normal_iterator& __lhs,
const __normal_iterator<_Iter, _Container>& __rhs)
_GLIBCXX_NOEXCEPT
{ return __lhs.base() < __rhs.base(); }
- __attribute__((__always_inline__)) _GLIBCXX_NODISCARD
+ _GLIBCXX_NODISCARD __attribute__((__always_inline__))
friend
_GLIBCXX20_CONSTEXPR
bool
@@ -1265,15 +1266,16 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
{ return __lhs.base() < __rhs.base(); }
template<typename _Iter>
+ _GLIBCXX_NODISCARD __attribute__((__always_inline__))
friend
- __attribute__((__always_inline__)) _GLIBCXX_NODISCARD _GLIBCXX_CONSTEXPR
+ _GLIBCXX_CONSTEXPR
bool
operator>(const __normal_iterator& __lhs,
const __normal_iterator<_Iter, _Container>& __rhs)
_GLIBCXX_NOEXCEPT
{ return __lhs.base() > __rhs.base(); }
- __attribute__((__always_inline__)) _GLIBCXX_NODISCARD
+ _GLIBCXX_NODISCARD __attribute__((__always_inline__))
friend
_GLIBCXX_CONSTEXPR
bool
@@ -1282,7 +1284,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
{ return __lhs.base() > __rhs.base(); }
template<typename _Iter>
- __attribute__((__always_inline__)) _GLIBCXX_NODISCARD
+ _GLIBCXX_NODISCARD __attribute__((__always_inline__))
friend
_GLIBCXX_CONSTEXPR
bool
@@ -1291,7 +1293,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
_GLIBCXX_NOEXCEPT
{ return __lhs.base() <= __rhs.base(); }
- __attribute__((__always_inline__)) _GLIBCXX_NODISCARD
+ _GLIBCXX_NODISCARD __attribute__((__always_inline__))
friend
_GLIBCXX_CONSTEXPR
bool
@@ -1300,7 +1302,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
{ return __lhs.base() <= __rhs.base(); }
template<typename _Iter>
- __attribute__((__always_inline__)) _GLIBCXX_NODISCARD
+ _GLIBCXX_NODISCARD __attribute__((__always_inline__))
friend
_GLIBCXX_CONSTEXPR
bool
@@ -1309,7 +1311,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
_GLIBCXX_NOEXCEPT
{ return __lhs.base() >= __rhs.base(); }
- __attribute__((__always_inline__)) _GLIBCXX_NODISCARD
+ _GLIBCXX_NODISCARD __attribute__((__always_inline__))
friend
_GLIBCXX_CONSTEXPR
bool
@@ -1341,7 +1343,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
#endif
{ return __lhs.base() - __rhs.base(); }
- __attribute__((__always_inline__)) _GLIBCXX_NODISCARD
+ _GLIBCXX_NODISCARD __attribute__((__always_inline__))
friend
_GLIBCXX_CONSTEXPR
difference_type
@@ -1349,7 +1351,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
_GLIBCXX_NOEXCEPT
{ return __lhs.base() - __rhs.base(); }
- __attribute__((__always_inline__)) _GLIBCXX_NODISCARD
+ _GLIBCXX_NODISCARD __attribute__((__always_inline__))
friend
_GLIBCXX_CONSTEXPR
__normal_iterator
diff --git a/libstdc++-v3/include/bits/version.def b/libstdc++-v3/include/bits/version.def
index 64f8190..31385b5 100644
--- a/libstdc++-v3/include/bits/version.def
+++ b/libstdc++-v3/include/bits/version.def
@@ -1007,9 +1007,8 @@ ftms = {
ftms = {
name = mdspan;
- no_stdname = true; // FIXME: remove
values = {
- v = 1; // FIXME: 202207
+ v = 202207;
cxxmin = 23;
};
};
@@ -2008,6 +2007,15 @@ ftms = {
};
ftms = {
+ name = smart_ptr_owner_equality;
+ values = {
+ v = 202306;
+ cxxmin = 26;
+ hosted = yes;
+ };
+};
+
+ftms = {
name = sstream_from_string_view;
values = {
v = 202306;
diff --git a/libstdc++-v3/include/bits/version.h b/libstdc++-v3/include/bits/version.h
index 744246a..aa53f29 100644
--- a/libstdc++-v3/include/bits/version.h
+++ b/libstdc++-v3/include/bits/version.h
@@ -1126,8 +1126,9 @@
#if !defined(__cpp_lib_mdspan)
# if (__cplusplus >= 202100L)
-# define __glibcxx_mdspan 1L
+# define __glibcxx_mdspan 202207L
# if defined(__glibcxx_want_all) || defined(__glibcxx_want_mdspan)
+# define __cpp_lib_mdspan 202207L
# endif
# endif
#endif /* !defined(__cpp_lib_mdspan) && defined(__glibcxx_want_mdspan) */
@@ -2248,6 +2249,16 @@
#endif /* !defined(__cpp_lib_polymorphic) && defined(__glibcxx_want_polymorphic) */
#undef __glibcxx_want_polymorphic
+#if !defined(__cpp_lib_smart_ptr_owner_equality)
+# if (__cplusplus > 202302L) && _GLIBCXX_HOSTED
+# define __glibcxx_smart_ptr_owner_equality 202306L
+# if defined(__glibcxx_want_all) || defined(__glibcxx_want_smart_ptr_owner_equality)
+# define __cpp_lib_smart_ptr_owner_equality 202306L
+# endif
+# endif
+#endif /* !defined(__cpp_lib_smart_ptr_owner_equality) && defined(__glibcxx_want_smart_ptr_owner_equality) */
+#undef __glibcxx_want_smart_ptr_owner_equality
+
#if !defined(__cpp_lib_sstream_from_string_view)
# if (__cplusplus > 202302L) && _GLIBCXX_HOSTED
# define __glibcxx_sstream_from_string_view 202306L
generated by cgit v1.1 at 2025-07-09 18:48:49 +0000