Update libc++ to 4684857a (25 Jan 2022).

Notable changes:
* enable constexpr in std::common_iterator
* add std::basic_format_arg::handle
* disable formatter constructors in default template to make errors compile-time rather than runtime-time
* implement pointer formatter
* implement floating pointer formatter

ref:05aacf96e1ad5fc10a5fdd0238b020bbfda51953

1 files changed, 16 insertions, 14 deletions

diff --git a/contrib/libs/cxxsupp/libcxx/include/module.modulemap b/contrib/libs/cxxsupp/libcxx/include/module.modulemap
index a927f9d0e67..90fae9bb836 100644
--- a/contrib/libs/cxxsupp/libcxx/include/module.modulemap
+++ b/contrib/libs/cxxsupp/libcxx/include/module.modulemap
@@ -488,25 +488,27 @@ module std [system] {
     export *
 
     module __format {
-      module format_arg             { private header "__format/format_arg.h" }
-      module format_args            { private header "__format/format_args.h" }
+      module format_arg               { private header "__format/format_arg.h" }
+      module format_args              { private header "__format/format_args.h" }
       module format_context {
         private header "__format/format_context.h"
         export optional
         export locale
       }
-      module format_error           { private header "__format/format_error.h" }
-      module format_fwd             { private header "__format/format_fwd.h" }
-      module format_parse_context   { private header "__format/format_parse_context.h" }
-      module format_string          { private header "__format/format_string.h" }
-      module format_to_n_result     { private header "__format/format_to_n_result.h" }
-      module formatter              { private header "__format/formatter.h" }
-      module formatter_bool         { private header "__format/formatter_bool.h" }
-      module formatter_char         { private header "__format/formatter_char.h" }
-      module formatter_integer      { private header "__format/formatter_integer.h" }
-      module formatter_integral     { private header "__format/formatter_integral.h" }
-      module formatter_string       { private header "__format/formatter_string.h" }
-      module parser_std_format_spec { private header "__format/parser_std_format_spec.h" }
+      module format_error             { private header "__format/format_error.h" }
+      module format_fwd               { private header "__format/format_fwd.h" }
+      module format_parse_context     { private header "__format/format_parse_context.h" }
+      module format_string            { private header "__format/format_string.h" }
+      module format_to_n_result       { private header "__format/format_to_n_result.h" }
+      module formatter                { private header "__format/formatter.h" }
+      module formatter_bool           { private header "__format/formatter_bool.h" }
+      module formatter_char           { private header "__format/formatter_char.h" }
+      module formatter_floating_point { private header "__format/formatter_floating_point.h" }
+      module formatter_integer        { private header "__format/formatter_integer.h" }
+      module formatter_integral       { private header "__format/formatter_integral.h" }
+      module formatter_pointer        { private header "__format/formatter_pointer.h" }
+      module formatter_string         { private header "__format/formatter_string.h" }
+      module parser_std_format_spec   { private header "__format/parser_std_format_spec.h" }
     }
   }
   module forward_list {