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diff --git a/‎stl/inc/algorithm
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diff --git a/‎stl/inc/atomic
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diff --git a/‎stl/inc/bitset
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diff --git a/‎stl/inc/chrono
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+2-2Lines changed: 2 additions & 2 deletions b/‎stl/inc/chrono
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diff --git a/‎stl/inc/format
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+1-1Lines changed: 1 addition & 1 deletion b/‎stl/inc/format
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diff --git a/‎stl/inc/functional
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+2-2Lines changed: 2 additions & 2 deletions b/‎stl/inc/functional
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diff --git a/‎stl/inc/future
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+8-5Lines changed: 8 additions & 5 deletions b/‎stl/inc/future
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diff --git a/‎stl/inc/random
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+30-33Lines changed: 30 additions & 33 deletions b/‎stl/inc/random
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diff --git a/‎stl/inc/regex
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diff --git a/‎stl/inc/variant
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@@ -7477,11 +7477,13 @@ _NODISCARD constexpr auto _Idl_dist_add(_Diff1 _Lhs, _Diff2 _Rhs) {
         return ranges::_Distance_unbounded{};
     } else
 #endif // _HAS_CXX20
+    {
         if constexpr (is_same_v<_Diff1, _Distance_unknown> || is_same_v<_Diff2, _Distance_unknown>) {
             return _Distance_unknown{};
         } else {
             return _Lhs + _Rhs;
         }
+    }
 }
 
 _EXPORT_STD template <class _InIt1, class _InIt2, class _OutIt, class _Pr>
 
@@ -203,7 +203,7 @@ extern "C" inline void _Atomic_thread_fence(const unsigned int _Order) noexcept
     if (_Order == _Atomic_memory_order_seq_cst) {
         volatile long _Guard; // Not initialized to avoid an unnecessary operation; the value does not matter
 
-        // _mm_mfence could have been used, but it is not supported on older x86 CPUs and is slower on some recent CPUs.
+        // _mm_mfence could have been used, but it is slower on some CPUs.
         // The memory fence provided by interlocked operations has some exceptions, but this is fine:
         // std::atomic_thread_fence works with respect to other atomics only; it may not be a full fence for all ops.
         (void) _InterlockedIncrement(&_Guard);
 
@@ -666,7 +666,7 @@ basic_istream<_Elem, _Tr>& operator>>(basic_istream<_Elem, _Tr>& _Istr, bitset<_
     }
 
     _Istr.setstate(_State);
-    _Right = bitset<_Bits>(_Buf._Buf, _Count); // convert string and store
+    _Right = bitset<_Bits>{_Buf._Buf, _Count}; // convert string and store
     return _Istr;
 }
 
 
@@ -1849,7 +1849,7 @@ namespace chrono {
             // time zone name. In vNext, this should be a dedicated argument.
             const string _Tz_arg = _Name + static_cast<char>(_Type);
 
-            const auto _Tz_len = _Name.length();
+            const auto _Tz_len = _Name.size();
 
             const auto _Info =
                 _Make_unique_tzdb_info<__std_tzdb_get_sys_info>(_Tz_arg.c_str(), _Tz_len, _Internal_dur.count());
@@ -3493,7 +3493,7 @@ namespace chrono {
 
                 return ratio_less_equal_v<_Period1, _Period2>
                     && ratio_greater_equal_v<ratio<_Max_tick, _Period2::num>, ratio_divide<ratio<1>, _Period1>>;
-            } else if (is_floating_point_v<_Rep1>) {
+            } else if constexpr (is_floating_point_v<_Rep1>) {
                 // With the smallest possible _Period1, ratio<1,INTMAX_MAX>, one day has a tick count of
                 // 86,400*INTMAX_MAX ~= 7.97e23. This is representable by float and double, so they can always represent
                 // at least one day. On the other hand, one second with the largest possible _Period1 needs a tick count
 
@@ -3545,7 +3545,7 @@ _NODISCARD _FormatContext::iterator _Tuple_formatter_format(const tuple<formatte
 
     const int _Width = _STD _Measure_display_width<_CharT>(_Tmp_str);
     return _STD _Write_aligned(
-        _Fmt_ctx.out(), _Width, _Format_specs, _Fmt_align::_Left, [&](typename _FormatContext::iterator _Out) {
+        _Fmt_ctx.out(), _Width, _Format_specs, _Fmt_align::_Left, [&](_FormatContext::iterator _Out) {
             return _STD _Fmt_write(_STD move(_Out), basic_string_view<_CharT>{_Tmp_str});
         });
 }
 
@@ -2132,15 +2132,15 @@ template <class _Ret, class _CvFD, class _IntSeq, class _CvBoundTuple, class _Un
 concept _Can_call_binder = requires(_CvFD& _Fx, _CvBoundTuple& _Bound_tuple, _UnboundTuple&& _Unbound_tuple) {
     _STD _Call_binder(_Invoker_ret<_Ret>{}, _IntSeq{}, _Fx, _Bound_tuple, _STD move(_Unbound_tuple));
 };
-#else // ^^^ concept available / concept unavailable vvv
+#else // ^^^ _HAS_CXX20 / !_HAS_CXX20 vvv
 template <class _Ret, class _CvFD, class _IntSeq, class _CvBoundTuple, class _UnboundTuple, class = void>
 constexpr bool _Can_call_binder = false;
 
 template <class _Ret, class _CvFD, class _IntSeq, class _CvBoundTuple, class _UnboundTuple>
 constexpr bool _Can_call_binder<_Ret, _CvFD, _IntSeq, _CvBoundTuple, _UnboundTuple,
     void_t<decltype(_STD _Call_binder(_Invoker_ret<_Ret>{}, _IntSeq{}, _STD declval<_CvFD&>(),
         _STD declval<_CvBoundTuple&>(), _STD declval<_UnboundTuple>()))>> = true;
-#endif // ^^^ concept unavailable ^^^
+#endif // ^^^ !_HAS_CXX20 ^^^
 
 template <class _Ret>
 struct _Forced_result_type { // used by bind<R>()
 
@@ -474,14 +474,17 @@ struct _P_arg_type<void> { // type for functions returning void
     using type = int;
 };
 
+template <class _Ret>
+using _P_arg_type_t = typename _P_arg_type<_Ret>::type;
+
 template <class>
 class _Packaged_state;
 
 // class for managing associated asynchronous state for packaged_task
 template <class _Ret, class... _ArgTypes>
-class _Packaged_state<_Ret(_ArgTypes...)> : public _Associated_state<typename _P_arg_type<_Ret>::type> {
+class _Packaged_state<_Ret(_ArgTypes...)> : public _Associated_state<_P_arg_type_t<_Ret>> {
 public:
-    using _Mybase        = _Associated_state<typename _P_arg_type<_Ret>::type>;
+    using _Mybase        = _Associated_state<_P_arg_type_t<_Ret>>;
     using _Mydel         = typename _Mybase::_Mydel;
     using _Function_type = function<_Ret(_ArgTypes...)>; // TRANSITION, ABI, should not use std::function
 
@@ -1197,7 +1200,7 @@ template <class _Ret, class... _ArgTypes>
 class packaged_task<_Ret(_ArgTypes...)> {
     // class that defines an asynchronous provider that returns the result of a call to a function object
 private:
-    using _Ptype              = typename _P_arg_type<_Ret>::type;
+    using _Ptype              = _P_arg_type_t<_Ret>;
     using _MyPromiseType      = _Promise<_Ptype>;
     using _MyStateManagerType = _State_manager<_Ptype>;
     using _MyStateType        = _Packaged_state<_Ret(_ArgTypes...)>;
@@ -1344,7 +1347,7 @@ private:
 };
 
 template <class _Ret, class _Fty>
-_Associated_state<typename _P_arg_type<_Ret>::type>* _Get_associated_state(launch _Psync, _Fty&& _Fnarg) {
+_Associated_state<_P_arg_type_t<_Ret>>* _Get_associated_state(launch _Psync, _Fty&& _Fnarg) {
     // construct associated asynchronous state object for the launch type
     switch (_Psync) { // select launch type
     case launch::deferred:
@@ -1360,7 +1363,7 @@ _NODISCARD_ASYNC future<_Invoke_result_t<decay_t<_Fty>, decay_t<_ArgTypes>...>>
     launch _Policy, _Fty&& _Fnarg, _ArgTypes&&... _Args) {
     // manages a callable object launched with supplied policy
     using _Ret   = _Invoke_result_t<decay_t<_Fty>, decay_t<_ArgTypes>...>;
-    using _Ptype = typename _P_arg_type<_Ret>::type;
+    using _Ptype = _P_arg_type_t<_Ret>;
     _Promise<_Ptype> _Pr(
         _Get_associated_state<_Ret>(_Policy, _Fake_no_copy_callable_adapter<_Fty, _ArgTypes...>(
                                                  _STD forward<_Fty>(_Fnarg), _STD forward<_ArgTypes>(_Args)...)));
 
@@ -402,7 +402,7 @@ bool _Nrand_for_tr1(
 }
 
 template <class _Gen, class = void>
-struct _Has_static_min_max : false_type {};
+struct _Has_static_min_max : false_type {}; // TRANSITION, VSO-2417491: Should be a variable template
 
 // This checks a requirement of N4981 [rand.req.urng] `concept uniform_random_bit_generator` but doesn't attempt
 // to implement the whole concept - we just need to distinguish Standard machinery from tr1 machinery.
@@ -461,8 +461,6 @@ _NODISCARD _Real _Nrand_impl(_Gen& _Gx) { // build a floating-point value from r
     }
 }
 
-#define _NRAND(eng, resty) (_Nrand_impl<resty>(eng))
-
 _INLINE_VAR constexpr int _MP_len = 5;
 using _MP_arr                     = uint64_t[_MP_len];
 
@@ -2546,7 +2544,7 @@ public:
 private:
     template <class _Engine>
     result_type _Eval(_Engine& _Eng, const param_type& _Par0) const {
-        return _NRAND(_Eng, double) < _Par0._Px;
+        return _Nrand_impl<double>(_Eng) < _Par0._Px;
     }
 
     param_type _Par;
@@ -2713,7 +2711,7 @@ private:
 
         _Ty1 _Val;
         do {
-            _Val = _CSTD log(_NRAND(_Eng, _Ty1)) / _Par0._Log_1_p;
+            _Val = _CSTD log(_Nrand_impl<_Ty1>(_Eng)) / _Par0._Log_1_p;
         } while (_Val >= _Ty1_max);
         return static_cast<_Ty>(_Val);
     }
@@ -2730,7 +2728,7 @@ public:
     _NODISCARD _Ty operator()(_Engine& _Eng) const {
         _Ty1 _Val = 1.0;
         for (_Ty _Res = 0;; ++_Res) { // count repetitions
-            _Val *= _NRAND(_Eng, _Ty1);
+            _Val *= _Nrand_impl<_Ty1>(_Eng);
             if (_Val <= _Gx0) {
                 return _Res;
             }
@@ -2882,15 +2880,15 @@ private:
             _Ty _Res;
             _Ty1 _Yx;
             for (;;) { // generate a tentative value
-                _Yx = static_cast<_Ty1>(_CSTD tan(_Pi_val * _NRAND(_Eng, _Ty1)));
+                _Yx = static_cast<_Ty1>(_CSTD tan(_Pi_val * _Nrand_impl<_Ty1>(_Eng)));
                 const _Ty1 _Mx{_Par0._Sqrt * _Yx + _Par0._Mean};
                 if (0.0 <= _Mx && _Mx < _Ty1_max) {
                     _Res = static_cast<_Ty>(_Mx);
                     break;
                 }
             }
 
-            if (_NRAND(_Eng, _Ty1)
+            if (_Nrand_impl<_Ty1>(_Eng)
                 <= 0.9 * (1.0 + _Yx * _Yx) * _CSTD exp(_Res * _Par0._Logm - _XLgamma(_Res + 1.0) - _Par0._Gx1)) {
                 return _Res;
             }
@@ -3050,15 +3048,15 @@ private:
         if (_Par0._Tx < 25) { // generate directly
             _Res = 0;
             for (_Ty _Ix = 0; _Ix < _Par0._Tx; ++_Ix) {
-                if (_NRAND(_Eng, _Ty1) < _Par0._Px) {
+                if (_Nrand_impl<_Ty1>(_Eng) < _Par0._Px) {
                     ++_Res;
                 }
             }
 
             return _Res;
         } else if (_Par0._Mean < 1.0) {
             // Events are rare, use waiting time method (Luc Devroye, Non-Uniform Random Variate Generation, p. 525).
-            const _Ty1 _Rand = _NRAND(_Eng, _Ty1);
+            const _Ty1 _Rand = _Nrand_impl<_Ty1>(_Eng);
 
             // The exit condition is log(1 - _Rand)/t < log(1-p), which is equivalent to _Rand > 1 - (1-p)^t. If
             // we have a cheap upper bound for 1-(1-p)^t, we can exit early without having to call log. We use two
@@ -3073,7 +3071,7 @@ private:
                 _Ty _Denom = _Par0._Tx;
                 _Ty1 _Sum  = _CSTD log(_Ty1{1.0} - _Rand) / _Denom;
                 while (_Sum >= _Par0._Logp1 && --_Denom != 0) {
-                    _Sum += _CSTD log(_Ty1{1.0} - _NRAND(_Eng, _Ty1)) / _Denom;
+                    _Sum += _CSTD log(_Ty1{1.0} - _Nrand_impl<_Ty1>(_Eng)) / _Denom;
                 }
                 _Res = static_cast<_Ty>(_Par0._Tx - _Denom);
             }
@@ -3084,14 +3082,14 @@ private:
             for (;;) { // generate and reject
                 _Ty1 _Yx;
                 for (;;) { // generate a tentative value
-                    _Yx = static_cast<_Ty1>(_CSTD tan(_Pi_val * _NRAND(_Eng, _Ty1)));
+                    _Yx = static_cast<_Ty1>(_CSTD tan(_Pi_val * _Nrand_impl<_Ty1>(_Eng)));
                     const _Ty1 _Mx{_Par0._Sqrt * _Yx + _Par0._Mean};
                     if (0.0 <= _Mx && _Mx < _Ty1_Tx) {
                         _Res = static_cast<_Ty>(_Mx);
                         break;
                     }
                 }
-                if (_NRAND(_Eng, _Ty1)
+                if (_Nrand_impl<_Ty1>(_Eng)
                     <= 1.2 * _Par0._Sqrt * (1.0 + _Yx * _Yx)
                            * _CSTD exp(_Par0._Gx1 - _XLgamma(_Res + 1.0) - _XLgamma(_Par0._Tx - _Res + 1.0)
                                        + _Res * _Par0._Logp + (_Par0._Tx - _Res) * _Par0._Logp1)) {
@@ -3226,7 +3224,7 @@ public:
 private:
     template <class _Engine>
     result_type _Eval(_Engine& _Eng, const param_type& _Par0) const {
-        return _NRAND(_Eng, _Ty) * (_Par0._Max - _Par0._Min) + _Par0._Min;
+        return _Nrand_impl<_Ty>(_Eng) * (_Par0._Max - _Par0._Min) + _Par0._Min;
     }
 
     param_type _Par;
@@ -3439,7 +3437,7 @@ public:
 private:
     template <class _Engine>
     result_type _Eval(_Engine& _Eng, const param_type& _Par0) const {
-        return -_CSTD log(_Ty{1} - _NRAND(_Eng, _Ty)) / _Par0._Lambda;
+        return -_CSTD log(_Ty{1} - _Nrand_impl<_Ty>(_Eng)) / _Par0._Lambda;
     }
 
     param_type _Par;
@@ -3600,8 +3598,8 @@ private:
             _Ty _Vx2;
             _Ty _Sx;
             for (;;) { // reject bad values to avoid generating NaN/Inf on the next calculations
-                _Vx1 = 2 * _NRAND(_Eng, _Ty) - 1;
-                _Vx2 = 2 * _NRAND(_Eng, _Ty) - 1;
+                _Vx1 = 2 * _Nrand_impl<_Ty>(_Eng) - 1;
+                _Vx2 = 2 * _Nrand_impl<_Ty>(_Eng) - 1;
                 _Sx  = _Vx1 * _Vx1 + _Vx2 * _Vx2;
                 if (_Sx < _Ty{1} && _Vx1 != _Ty{0} && _Vx2 != _Ty{0}) {
                     // good values!
@@ -3779,9 +3777,9 @@ private:
         if (_Par0._Alpha < 1) { // small values of alpha
                                 // from Knuth
             for (;;) { // generate and reject
-                _Ux = _NRAND(_Eng, _Ty);
+                _Ux = _Nrand_impl<_Ty>(_Eng);
                 do {
-                    _Vx = _NRAND(_Eng, _Ty);
+                    _Vx = _Nrand_impl<_Ty>(_Eng);
                 } while (_Vx == 0);
 
                 if (_Ux < _Par0._Px) { // small _Ux
@@ -3792,7 +3790,7 @@ private:
                     _Qx = _CSTD pow(_Xx, _Par0._Alpha - 1);
                 }
 
-                if (_NRAND(_Eng, _Ty) < _Qx) {
+                if (_Nrand_impl<_Ty>(_Eng) < _Qx) {
                     return _Par0._Beta * _Xx;
                 }
             }
@@ -3804,10 +3802,10 @@ private:
 
         if (_Par0._Alpha < 20.0 && (_Count = static_cast<int>(_Par0._Alpha)) == _Par0._Alpha) {
             // _Alpha is small integer, compute directly
-            _Yx = _NRAND(_Eng, _Ty);
+            _Yx = _Nrand_impl<_Ty>(_Eng);
             while (--_Count) { // adjust result
                 do {
-                    _Ux = _NRAND(_Eng, _Ty);
+                    _Ux = _Nrand_impl<_Ty>(_Eng);
                 } while (_Ux == 0);
 
                 _Yx *= _Ux;
@@ -3817,12 +3815,12 @@ private:
 
         // no shortcuts
         for (;;) { // generate and reject
-            _Yx = static_cast<_Ty>(_CSTD tan(_Pi_val * _NRAND(_Eng, _Ty)));
+            _Yx = static_cast<_Ty>(_CSTD tan(_Pi_val * _Nrand_impl<_Ty>(_Eng)));
             _Xx = _Par0._Sqrt * _Yx + _Par0._Alpha - 1;
             if (0 < _Xx
-                && _NRAND(_Eng, _Ty) <= (1 + _Yx * _Yx)
-                                            * _CSTD exp((_Par0._Alpha - 1) * _CSTD log(_Xx / (_Par0._Alpha - 1))
-                                                        - _Par0._Sqrt * _Yx)) {
+                && _Nrand_impl<_Ty>(_Eng) <= (1 + _Yx * _Yx)
+                                                 * _CSTD exp((_Par0._Alpha - 1) * _CSTD log(_Xx / (_Par0._Alpha - 1))
+                                                             - _Par0._Sqrt * _Yx)) {
                 return _Par0._Beta * _Xx;
             }
         }
@@ -3959,7 +3957,7 @@ public:
 private:
     template <class _Engine>
     result_type _Eval(_Engine& _Eng, const param_type& _Par0) const { // generate pseudo-random value
-        _Ty _Px = (_Ty{1} - _NRAND(_Eng, _Ty));
+        _Ty _Px = (_Ty{1} - _Nrand_impl<_Ty>(_Eng));
         return _Par0._Bx * _CSTD pow(-_CSTD log(_Px), _Ty{1} / _Par0._Ax);
     }
 
@@ -4093,7 +4091,7 @@ public:
 private:
     template <class _Engine>
     result_type _Eval(_Engine& _Eng, const param_type& _Par0) const { // generate pseudo-random value
-        _Ty _Px = _NRAND(_Eng, _Ty);
+        _Ty _Px = _Nrand_impl<_Ty>(_Eng);
         return _Par0._Ax - _Par0._Bx * _CSTD log(-_CSTD log(_Px));
     }
 
@@ -4481,7 +4479,7 @@ public:
 private:
     template <class _Engine>
     result_type _Eval(_Engine& _Eng, const param_type& _Par0) const { // generate pseudo-random value
-        _Ty Px = _NRAND(_Eng, _Ty);
+        _Ty Px = _Nrand_impl<_Ty>(_Eng);
         return static_cast<_Ty>(_Par0._Ax + _Par0._Bx * _CSTD tan(_Pi_val * (Px - static_cast<_Ty>(0.5))));
     }
 
@@ -4504,8 +4502,8 @@ public:
             _Ty _Px1;
             _Ty _Px2;
             for (;;) { // reject large values
-                _Px1 = _NRAND(_Eng, _Ty);
-                _Px2 = _NRAND(_Eng, _Ty);
+                _Px1 = _Nrand_impl<_Ty>(_Eng);
+                _Px2 = _Nrand_impl<_Ty>(_Eng);
                 _Px1 = _CSTD pow(_Px1, _Ty{1} / _Ax);
                 _Px2 = _CSTD pow(_Px2, _Ty{1} / _Bx);
                 _Wx  = _Px1 + _Px2;
@@ -5153,7 +5151,7 @@ public:
 private:
     template <class _Engine>
     result_type _Eval(_Engine& _Eng, const param_type& _Par0) const {
-        double _Px           = _NRAND(_Eng, double);
+        double _Px           = _Nrand_impl<double>(_Eng);
         const auto _First    = _Par0._Pcdf.begin();
         const auto _Position = _STD lower_bound(_First, _Prev_iter(_Par0._Pcdf.end()), _Px);
         return static_cast<result_type>(_Position - _First);
@@ -5706,7 +5704,6 @@ _STL_RESTORE_DEPRECATED_WARNING
 #endif // _HAS_TR1_NAMESPACE
 _STD_END
 
-#undef _NRAND
 #undef _DISTRIBUTION_CONST
 
 // TRANSITION, GH-183
 
@@ -533,7 +533,7 @@ private:
 inline bool _Is_word(unsigned char _UCh) {
     // special casing char to avoid branches for std::regex in this path
     static constexpr bool _Is_word_table[_STD _Max_limit<unsigned char>() + 1] = {
-        //        X0 X1 X2 X3 X4 X5 X6 X7 X8 X9 XA XB XC XD XE XF
+        //       X0 X1 X2 X3 X4 X5 X6 X7 X8 X9 XA XB XC XD XE XF
         /* 0X */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         /* 1X */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
         /* 2X */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 
@@ -899,7 +899,7 @@ struct _Variant_init_overload_set_<index_sequence<_Indices...>, _Types...>
 template <class... _Types>
 using _Variant_init_overload_set = _Variant_init_overload_set_<index_sequence_for<_Types...>, _Types...>;
 
-template <class Enable, class _Ty, class... _Types>
+template <class _Enable, class _Ty, class... _Types>
 struct _Variant_init_helper {}; // failure case (has no member "type")
 
 template <class _Ty, class... _Types>
Original file line number	Diff line number	Diff line change
`@@ -7477,11 +7477,13 @@ _NODISCARD constexpr auto _Idl_dist_add(_Diff1 _Lhs, _Diff2 _Rhs) {`
`7477`	`7477`	`return ranges::_Distance_unbounded{};`
`7478`	`7478`	`} else`
`7479`	`7479`	`#endif // _HAS_CXX20`
	`7480`	`+ {`
`7480`	`7481`	`if constexpr (is_same_v<_Diff1, _Distance_unknown> \|\| is_same_v<_Diff2, _Distance_unknown>) {`
`7481`	`7482`	`return _Distance_unknown{};`
`7482`	`7483`	`} else {`
`7483`	`7484`	`return _Lhs + _Rhs;`
`7484`	`7485`	`}`
	`7486`	`+ }`
`7485`	`7487`	`}`
`7486`	`7488`
`7487`	`7489`	`_EXPORT_STD template <class _InIt1, class _InIt2, class _OutIt, class _Pr>`
Original file line number	Diff line number	Diff line change
`@@ -666,7 +666,7 @@ basic_istream<_Elem, _Tr>& operator>>(basic_istream<_Elem, _Tr>& _Istr, bitset<_`
`666`	`666`	`}`
`667`	`667`
`668`	`668`	`_Istr.setstate(_State);`
`669`		`- _Right = bitset<_Bits>(_Buf._Buf, _Count); // convert string and store`
	`669`	`+ _Right = bitset<_Bits>{_Buf._Buf, _Count}; // convert string and store`
`670`	`670`	`return _Istr;`
`671`	`671`	`}`
`672`	`672`
Original file line number	Diff line number	Diff line change
`@@ -3545,7 +3545,7 @@ _NODISCARD _FormatContext::iterator _Tuple_formatter_format(const tuple<formatte`
`3545`	`3545`
`3546`	`3546`	`const int _Width = _STD _Measure_display_width<_CharT>(_Tmp_str);`
`3547`	`3547`	`return _STD _Write_aligned(`
`3548`		`- _Fmt_ctx.out(), _Width, _Format_specs, _Fmt_align::_Left, [&](typename _FormatContext::iterator _Out) {`
	`3548`	`+ _Fmt_ctx.out(), _Width, _Format_specs, _Fmt_align::_Left, [&](_FormatContext::iterator _Out) {`
`3549`	`3549`	`return _STD _Fmt_write(_STD move(_Out), basic_string_view<_CharT>{_Tmp_str});`
`3550`	`3550`	`});`
`3551`	`3551`	`}`