ydb/contrib/libs/cxxsupp/libcxx/patches/56-iostream.patch

diff --git a/include/ostream b/include/ostream
index 42819ce..51778a2 100644
--- a/include/ostream
+++ b/include/ostream
@@ -964,7 +964,7 @@ operator<<(basic_ostream<_CharT, _Traits>& __os, const bitset<_Size>& __x) {
                                                          std::use_facet<ctype<_CharT> >(__os.getloc()).widen('1'));
 }
 
-#if _LIBCPP_STD_VER >= 20
+#if 0
 
 #  ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
 template <class _Traits>
diff --git a/src/iostream.cpp b/src/iostream.cpp
index c5ad77a..029de4a 100644
--- a/src/iostream.cpp
+++ b/src/iostream.cpp
@@ -21,80 +21,120 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
+#if defined(_LIBCPP_ABI_MICROSOFT) && !defined(__clang__)
+alignas(istream) char _cin[sizeof(istream)];
+_LIBCPP_EXPORTED_FROM_ABI istream& cin = *reinterpret_cast<istream*>(_cin);
+#else
 alignas(istream) _LIBCPP_EXPORTED_FROM_ABI char cin[sizeof(istream)]
 #if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
     __asm__("?cin@" _LIBCPP_ABI_NAMESPACE_STR "@std@@3V?$basic_istream@DU?$char_traits@D@" _LIBCPP_ABI_NAMESPACE_STR
             "@std@@@12@A")
 #endif
         ;
+#endif
 alignas(__stdinbuf<char>) static char __cin[sizeof(__stdinbuf<char>)];
 static mbstate_t mb_cin;
 
 #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
+#  if defined(_LIBCPP_ABI_MICROSOFT) && !defined(__clang__)
+alignas(wistream) char _wcin[sizeof(wistream)];
+_LIBCPP_EXPORTED_FROM_ABI wistream& wcin = *reinterpret_cast<wistream*>(_wcin);
+#  else
 alignas(wistream) _LIBCPP_EXPORTED_FROM_ABI char wcin[sizeof(wistream)]
 #  if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
     __asm__("?wcin@" _LIBCPP_ABI_NAMESPACE_STR "@std@@3V?$basic_istream@_WU?$char_traits@_W@" _LIBCPP_ABI_NAMESPACE_STR
             "@std@@@12@A")
 #  endif
         ;
+#endif
 alignas(__stdinbuf<wchar_t>) static char __wcin[sizeof(__stdinbuf<wchar_t>)];
 static mbstate_t mb_wcin;
 #endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
 
+#if defined(_LIBCPP_ABI_MICROSOFT) && !defined(__clang__)
+alignas(ostream) char _cout[sizeof(ostream)];
+_LIBCPP_EXPORTED_FROM_ABI ostream& cout = *reinterpret_cast<ostream*>(_cout);
+#else
 alignas(ostream) _LIBCPP_EXPORTED_FROM_ABI char cout[sizeof(ostream)]
 #if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
     __asm__("?cout@" _LIBCPP_ABI_NAMESPACE_STR "@std@@3V?$basic_ostream@DU?$char_traits@D@" _LIBCPP_ABI_NAMESPACE_STR
             "@std@@@12@A")
 #endif
         ;
+#endif
 alignas(__stdoutbuf<char>) static char __cout[sizeof(__stdoutbuf<char>)];
 static mbstate_t mb_cout;
 
 #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
+#  if defined(_LIBCPP_ABI_MICROSOFT) && !defined(__clang__)
+alignas(wostream) char _wcout[sizeof(wostream)];
+_LIBCPP_EXPORTED_FROM_ABI wostream& wcout = *reinterpret_cast<wostream*>(_wcout);
+#  else
 alignas(wostream) _LIBCPP_EXPORTED_FROM_ABI char wcout[sizeof(wostream)]
 #  if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
     __asm__("?wcout@" _LIBCPP_ABI_NAMESPACE_STR "@std@@3V?$basic_ostream@_WU?$char_traits@_W@" _LIBCPP_ABI_NAMESPACE_STR
             "@std@@@12@A")
 #  endif
         ;
+#endif
 alignas(__stdoutbuf<wchar_t>) static char __wcout[sizeof(__stdoutbuf<wchar_t>)];
 static mbstate_t mb_wcout;
 #endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
 
+#if defined(_LIBCPP_ABI_MICROSOFT) && !defined(__clang__)
+alignas(ostream) char _cerr[sizeof(ostream)];
+_LIBCPP_EXPORTED_FROM_ABI ostream& cerr = *reinterpret_cast<ostream*>(_cerr);
+#else
 alignas(ostream) _LIBCPP_EXPORTED_FROM_ABI char cerr[sizeof(ostream)]
 #if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
     __asm__("?cerr@" _LIBCPP_ABI_NAMESPACE_STR "@std@@3V?$basic_ostream@DU?$char_traits@D@" _LIBCPP_ABI_NAMESPACE_STR
             "@std@@@12@A")
 #endif
         ;
+#endif
 alignas(__stdoutbuf<char>) static char __cerr[sizeof(__stdoutbuf<char>)];
 static mbstate_t mb_cerr;
 
 #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
+#  if defined(_LIBCPP_ABI_MICROSOFT) && !defined(__clang__)
+alignas(wostream) char _wcerr[sizeof(wostream)];
+_LIBCPP_EXPORTED_FROM_ABI wostream& wcerr = *reinterpret_cast<wostream*>(_wcerr);
+#  else
 alignas(wostream) _LIBCPP_EXPORTED_FROM_ABI char wcerr[sizeof(wostream)]
 #  if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
     __asm__("?wcerr@" _LIBCPP_ABI_NAMESPACE_STR "@std@@3V?$basic_ostream@_WU?$char_traits@_W@" _LIBCPP_ABI_NAMESPACE_STR
             "@std@@@12@A")
 #  endif
         ;
+#  endif
 alignas(__stdoutbuf<wchar_t>) static char __wcerr[sizeof(__stdoutbuf<wchar_t>)];
 static mbstate_t mb_wcerr;
 #endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
 
+#if defined(_LIBCPP_ABI_MICROSOFT) && !defined(__clang__)
+alignas(ostream) char _clog[sizeof(ostream)];
+_LIBCPP_EXPORTED_FROM_ABI ostream& clog = *reinterpret_cast<ostream*>(_clog);
+#else
 alignas(ostream) _LIBCPP_EXPORTED_FROM_ABI char clog[sizeof(ostream)]
 #if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
     __asm__("?clog@" _LIBCPP_ABI_NAMESPACE_STR "@std@@3V?$basic_ostream@DU?$char_traits@D@" _LIBCPP_ABI_NAMESPACE_STR
             "@std@@@12@A")
 #endif
         ;
+#endif
 
 #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
+#  if defined(_LIBCPP_ABI_MICROSOFT) && !defined(__clang__)
+alignas(wostream) char _wclog[sizeof(wostream)];
+_LIBCPP_EXPORTED_FROM_ABI wostream& wclog = *reinterpret_cast<wostream*>(_wclog);
+#  else
 alignas(wostream) _LIBCPP_EXPORTED_FROM_ABI char wclog[sizeof(wostream)]
 #  if defined(_LIBCPP_ABI_MICROSOFT) && defined(__clang__)
     __asm__("?wclog@" _LIBCPP_ABI_NAMESPACE_STR "@std@@3V?$basic_ostream@_WU?$char_traits@_W@" _LIBCPP_ABI_NAMESPACE_STR
             "@std@@@12@A")
 #  endif
         ;
+#endif
 #endif // _LIBCPP_HAS_NO_WIDE_CHARACTERS
 
 // Pretend we're inside a system header so the compiler doesn't flag the use of the init_priority
@@ -128,19 +168,19 @@ public:
 DoIOSInit::DoIOSInit() {
   force_locale_initialization();
 
-  istream* cin_ptr  = ::new (cin) istream(::new (__cin) __stdinbuf<char>(stdin, &mb_cin));
-  ostream* cout_ptr = ::new (cout) ostream(::new (__cout) __stdoutbuf<char>(stdout, &mb_cout));
-  ostream* cerr_ptr = ::new (cerr) ostream(::new (__cerr) __stdoutbuf<char>(stderr, &mb_cerr));
-  ::new (clog) ostream(cerr_ptr->rdbuf());
+  istream* cin_ptr  = ::new (&cin) istream(::new (__cin) __stdinbuf<char>(stdin, &mb_cin));
+  ostream* cout_ptr = ::new (&cout) ostream(::new (__cout) __stdoutbuf<char>(stdout, &mb_cout));
+  ostream* cerr_ptr = ::new (&cerr) ostream(::new (__cerr) __stdoutbuf<char>(stderr, &mb_cerr));
+  ::new (&clog) ostream(cerr_ptr->rdbuf());
   cin_ptr->tie(cout_ptr);
   std::unitbuf(*cerr_ptr);
   cerr_ptr->tie(cout_ptr);
 
 #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
-  wistream* wcin_ptr  = ::new (wcin) wistream(::new (__wcin) __stdinbuf<wchar_t>(stdin, &mb_wcin));
-  wostream* wcout_ptr = ::new (wcout) wostream(::new (__wcout) __stdoutbuf<wchar_t>(stdout, &mb_wcout));
-  wostream* wcerr_ptr = ::new (wcerr) wostream(::new (__wcerr) __stdoutbuf<wchar_t>(stderr, &mb_wcerr));
-  ::new (wclog) wostream(wcerr_ptr->rdbuf());
+  wistream* wcin_ptr  = ::new (&wcin) wistream(::new (__wcin) __stdinbuf<wchar_t>(stdin, &mb_wcin));
+  wostream* wcout_ptr = ::new (&wcout) wostream(::new (__wcout) __stdoutbuf<wchar_t>(stdout, &mb_wcout));
+  wostream* wcerr_ptr = ::new (&wcerr) wostream(::new (__wcerr) __stdoutbuf<wchar_t>(stderr, &mb_wcerr));
+  ::new (&wclog) wostream(wcerr_ptr->rdbuf());
 
   wcin_ptr->tie(wcout_ptr);
   std::unitbuf(*wcerr_ptr);
@@ -149,15 +189,15 @@ DoIOSInit::DoIOSInit() {
 }
 
 DoIOSInit::~DoIOSInit() {
-  ostream* cout_ptr = reinterpret_cast<ostream*>(cout);
+  ostream* cout_ptr = reinterpret_cast<ostream*>(&cout);
   cout_ptr->flush();
-  ostream* clog_ptr = reinterpret_cast<ostream*>(clog);
+  ostream* clog_ptr = reinterpret_cast<ostream*>(&clog);
   clog_ptr->flush();
 
 #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
-  wostream* wcout_ptr = reinterpret_cast<wostream*>(wcout);
+  wostream* wcout_ptr = reinterpret_cast<wostream*>(&wcout);
   wcout_ptr->flush();
-  wostream* wclog_ptr = reinterpret_cast<wostream*>(wclog);
+  wostream* wclog_ptr = reinterpret_cast<wostream*>(&wclog);
   wclog_ptr->flush();
 #endif
 }