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, 1 insertions, 1 deletions

diff --git a/contrib/libs/cxxsupp/libcxx/include/system_error b/contrib/libs/cxxsupp/libcxx/include/system_error
index 66a3f3c1e0b..48a6b2e503f 100644
--- a/contrib/libs/cxxsupp/libcxx/include/system_error
+++ b/contrib/libs/cxxsupp/libcxx/include/system_error
@@ -183,7 +183,7 @@ template <>
 struct _LIBCPP_TEMPLATE_VIS is_error_condition_enum<errc>
     : true_type { };
 
-#ifdef _LIBCPP_HAS_NO_STRONG_ENUMS
+#ifdef _LIBCPP_CXX03_LANG
 template <>
 struct _LIBCPP_TEMPLATE_VIS is_error_condition_enum<errc::__lx>
     : true_type { };