Update libc++ to 9b03c08e (6 Mar 2022).

Notable changes:
* don't warn that coroutines are not supported when using experimental/coroutine
* add _LIBCPP_HIDE_FROM_ABI to __quoted_proxy constructors
* ADL-proof calls of __quoted
* fix ctype facet `is` method for Windows
* change return type of bit_width to int (LWG3656)
* make private __wrap_iter constructors explicit
* fix delayed initialization of `__fill_` in basic_ios
* ranges::iter_move cleanup
* ADL-proof __synth_three_way
* reject random number generators with signed types
* use C++ overloads from math.h on AIX
* add explicit to some internal constructors
* replace _LIBCPP_HAS_NO_STRONG_ENUMS with C++ version check
* use `inline constexpr bool` instead of `constexpr bool` for helpers in ranges
* reject uniform_int_distribution<bool>, uniform_int_distribution<char> and all user types
* allow std::mergeable and std::sortable even with incomplete ranges
* fix double close bug in std::filesystem::remove_all
* remove recursion in basic_string::insert because it interferes with constexpr
* fix error checking of wctob_l calls
* pack _Flags class on AIX
* fix integer type in __estimate_column_width exposed by AIX
* qualify all std::move calls with std
* make chrono includes granular
* set std::numeric_limits::tinyness_before to true on ARM
* add ranges::in_found_result and ranges::min_max_result

1 files changed, 3 insertions, 0 deletions

diff --git a/contrib/libs/cxxsupp/libcxx/include/__random/binomial_distribution.h b/contrib/libs/cxxsupp/libcxx/include/__random/binomial_distribution.h
index 77df98cba0..d0e8f30349 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__random/binomial_distribution.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__random/binomial_distribution.h
@@ -10,6 +10,7 @@
 #define _LIBCPP___RANDOM_BINOMIAL_DISTRIBUTION_H
 
 #include <__config>
+#include <__random/is_valid.h>
 #include <__random/uniform_real_distribution.h>
 #include <cmath>
 #include <iosfwd>
@@ -26,6 +27,7 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 template<class _IntType = int>
 class _LIBCPP_TEMPLATE_VIS binomial_distribution
 {
+    static_assert(__libcpp_random_is_valid_inttype<_IntType>::value, "IntType must be an integer type larger than char");
 public:
     // types
     typedef _IntType result_type;
@@ -146,6 +148,7 @@ template<class _URNG>
 _IntType
 binomial_distribution<_IntType>::operator()(_URNG& __g, const param_type& __pr)
 {
+    static_assert(__libcpp_random_is_valid_urng<_URNG>::value, "");
     if (__pr.__t_ == 0 || __pr.__p_ == 0)
         return 0;
     if (__pr.__p_ == 1)