[gcc(refs/users/meissner/heads/work029)] Undo libstdc++ changes.

Michael Meissner meissner@gcc.gnu.org
Mon Nov 30 23:30:33 GMT 2020


https://gcc.gnu.org/g:0b3e6126b880a7658adabd94eba79c2fcbc38b89

commit 0b3e6126b880a7658adabd94eba79c2fcbc38b89
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Mon Nov 30 18:28:25 2020 -0500

    Undo libstdc++ changes.
    
    2020-11-11  Jonathan Wakely  <jwakely@redhat.com>
    
            Undo changes.
            * config.h.in: Regenerate.
            * config/abi/pre/gnu.ver: Make patterns less greedy. Add CXXABI_1.3.12
            symbol version.
            * config/os/gnu-linux/ldbl-ieee128-extra.ver: New file with patterns
            for IEEE128 long double symbols.
            * configure: Regenerate.
            * configure.ac: Enable alternative 128-bit long double format on
            powerpc64*-*-linux*.
            * doc/Makefile.in: Regenerate.
            * fragment.am: Regenerate.
            * include/Makefile.am: Set _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT.
            * include/Makefile.in: Regenerate.
            * include/bits/c++config: Define inline namespace for new long double
            symbols. Don't define _GLIBCXX_USE_FLOAT128 when it's the same type
            as long double.
            * include/bits/locale_classes.h [_GLIBCXX_LONG_DOUBLE_ALT128_COMPAT]
            (locale::_Impl::_M_init_extra_ldbl128): Declare new member function.
            * include/bits/locale_facets.h (_GLIBCXX_NUM_FACETS): Simplify by
            only counting narrow character facets.
            (_GLIBCXX_NUM_CXX11_FACETS): Likewise.
            (_GLIBCXX_NUM_LBDL_ALT128_FACETS): New.
            [_GLIBCXX_LONG_DOUBLE_ALT128_COMPAT] (num_get::__do_get): Define
            vtable placeholder for __ibm128 long double type.
            [_GLIBCXX_LONG_DOUBLE_ALT128_COMPAT && __LONG_DOUBLE_IEEE128__]
            (num_get::__do_get): Declare vtable placeholder for __ibm128 long
            double type.
            [_GLIBCXX_LONG_DOUBLE_ALT128_COMPAT && __LONG_DOUBLE_IEEE128__]
            (num_put::__do_put): Likewise.
            * include/bits/locale_facets.tcc
            [_GLIBCXX_LONG_DOUBLE_ALT128_COMPAT && __LONG_DOUBLE_IEEE128__]
            (num_get::__do_get, num_put::__do_put): Define.
            * include/bits/locale_facets_nonio.h
            [_GLIBCXX_LONG_DOUBLE_ALT128_COMPAT && __LONG_DOUBLE_IEEE128__]
            (money_get::__do_get): Declare vtable placeholder for __ibm128 long
            double type.
            [_GLIBCXX_LONG_DOUBLE_ALT128_COMPAT && __LONG_DOUBLE_IEEE128__]
            (money_put::__do_put): Likewise.
            * include/bits/locale_facets_nonio.tcc
            [_GLIBCXX_LONG_DOUBLE_ALT128_COMPAT && __LONG_DOUBLE_IEEE128__]
            (money_get::__do_get, money_put::__do_put): Define.
            * libsupc++/Makefile.in: Regenerate.
            * po/Makefile.in: Regenerate.
            * python/Makefile.in: Regenerate.
            * src/Makefile.am: Add compatibility-ldbl-alt128.cc and
            compatibility-ldbl-alt128-cxx11.cc sources and recipes for objects.
            * src/Makefile.in: Regenerate.
            * src/c++11/Makefile.in: Regenerate.
            * src/c++11/compatibility-ldbl-alt128-cxx11.cc: New file defining
            symbols using the old 128-bit long double format, for the cxx11 ABI.
            * src/c++11/compatibility-ldbl-alt128.cc: Likewise, for the
            gcc4-compatible ABI.
            * src/c++11/compatibility-ldbl-facets-aliases.h: New header for long
            double compat aliases.
            * src/c++11/cow-locale_init.cc: Add comment.
            * src/c++11/cxx11-locale-inst.cc: Define C and C_is_char
            unconditionally.
            * src/c++11/cxx11-wlocale-inst.cc: Add sanity check. Include
            locale-inst.cc directly, not via cxx11-locale-inst.cc.
            * src/c++11/locale-inst-monetary.h: New header for monetary category
            instantiations.
            * src/c++11/locale-inst-numeric.h: New header for numeric category
            instantiations.
            * src/c++11/locale-inst.cc: Include new headers for monetary, numeric,
            and long double definitions.
            * src/c++11/wlocale-inst.cc: Remove long double compat aliases that
            are defined in new header now.
            * src/c++17/Makefile.in: Regenerate.
            * src/c++98/Makefile.in: Regenerate.
            * src/c++98/locale_init.cc (num_facets): Adjust calculation.
            (locale::_Impl::_Impl(size_t)): Call _M_init_extra_ldbl128.
            * src/c++98/localename.cc (num_facets): Adjust calculation.
            (locale::_Impl::_Impl(const char*, size_t)): Call
            _M_init_extra_ldbl128.
            * src/filesystem/Makefile.in: Regenerate.
            * testsuite/Makefile.in: Regenerate.
            * testsuite/util/testsuite_abi.cc: Add new symbol versions.

Diff:
---
 libstdc++-v3/config/abi/pre/gnu.ver                |   8 +-
 .../config/os/gnu-linux/ldbl-ieee128-extra.ver     |  51 -----
 libstdc++-v3/configure.ac                          |  35 +--
 libstdc++-v3/fragment.am                           |   8 +-
 libstdc++-v3/include/Makefile.am                   |   6 -
 libstdc++-v3/include/bits/c++config                |  32 +--
 libstdc++-v3/include/bits/locale_classes.h         |   4 -
 libstdc++-v3/include/bits/locale_facets.h          |  28 ---
 libstdc++-v3/include/bits/locale_facets.tcc        |  27 ---
 libstdc++-v3/include/bits/locale_facets_nonio.h    |  24 +--
 libstdc++-v3/include/bits/locale_facets_nonio.tcc  |  61 +-----
 libstdc++-v3/src/Makefile.am                       |  32 +--
 .../src/c++11/compatibility-ldbl-alt128-cxx11.cc   | 102 ---------
 .../src/c++11/compatibility-ldbl-alt128.cc         | 234 ---------------------
 .../src/c++11/compatibility-ldbl-facets-aliases.h  | 128 -----------
 libstdc++-v3/src/c++11/cow-locale_init.cc          |   1 -
 libstdc++-v3/src/c++11/cxx11-locale-inst.cc        |   6 +-
 libstdc++-v3/src/c++11/cxx11-wlocale-inst.cc       |   8 +-
 libstdc++-v3/src/c++11/locale-inst-monetary.h      |  69 ------
 libstdc++-v3/src/c++11/locale-inst-numeric.h       | 133 ------------
 libstdc++-v3/src/c++11/locale-inst.cc              | 200 +++++++++++++++++-
 libstdc++-v3/src/c++11/wlocale-inst.cc             |  45 +++-
 libstdc++-v3/src/c++98/locale_init.cc              |  17 +-
 libstdc++-v3/src/c++98/localename.cc               |  16 +-
 libstdc++-v3/testsuite/util/testsuite_abi.cc       |  18 +-
 25 files changed, 264 insertions(+), 1029 deletions(-)

diff --git a/libstdc++-v3/config/abi/pre/gnu.ver b/libstdc++-v3/config/abi/pre/gnu.ver
index f2c88cbce2d..46769db1530 100644
--- a/libstdc++-v3/config/abi/pre/gnu.ver
+++ b/libstdc++-v3/config/abi/pre/gnu.ver
@@ -682,7 +682,7 @@ GLIBCXX_3.4 {
     _ZNSt12__basic_fileIcED*;
 
     # std::__convert_to_v
-    _ZSt14__convert_to_vI[^gU]*;
+    _ZSt14__convert_to_vI[^g]*;
 
     # __gnu_cxx::stdio_sync_filebuf
     _ZTVN9__gnu_cxx18stdio_sync_filebufI[cw]St11char_traitsI[cw]EEE;
@@ -931,7 +931,7 @@ GLIBCXX_3.4 {
     _ZGVNSt8time_putI[cw]*;
     _ZGVNSt9money_getI[cw]*;
     _ZGVNSt9money_putI[cw]*;
-    _ZGVNSt1[^079]*;
+    _ZGVNSt1[^07]*;
     _ZGVNSt10moneypunctI[cw]Lb[01]*;
 
     # exception constructors taking std::string
@@ -2702,10 +2702,6 @@ CXXABI_1.3.13 {
 
 } CXXABI_1.3.12;
 
-CXXABI_1.3.12 {
-
-} CXXABI_1.3.11;
-
 # Symbols in the support library (libsupc++) supporting transactional memory.
 CXXABI_TM_1 {
 
diff --git a/libstdc++-v3/config/os/gnu-linux/ldbl-ieee128-extra.ver b/libstdc++-v3/config/os/gnu-linux/ldbl-ieee128-extra.ver
deleted file mode 100644
index dca371b11f0..00000000000
--- a/libstdc++-v3/config/os/gnu-linux/ldbl-ieee128-extra.ver
+++ /dev/null
@@ -1,51 +0,0 @@
-# Appended to version file.
-
-GLIBCXX_IEEE128_3.4.26 {
-
-  *__gnu_cxx_ieee128*;
-
-  _ZNSt14numeric_limitsIu9__ieee128E*;
-  _ZNSirsERu9__ieee128;
-  _ZNSolsEu9__ieee128;
-  _ZNSt13basic_istreamIwSt11char_traitsIwEErsERu9__ieee128;
-  _ZNSt13basic_ostreamIwSt11char_traitsIwEElsEu9__ieee128;
-  _ZSt14__convert_to_vIu9__ieee128EvPKcRT_RSt12_Ios_IostateRKP*;
-  _ZStlsIu9__ieee128[cw]St11char_traitsI[cw]EERSt13basic_ostreamIT0_T1_ES6_RKSt7complexIT_E;
-  _ZStrsIu9__ieee128[cw]St11char_traitsI[cw]EERSt13basic_istreamIT0_T1_ES6_RSt7complexIT_E;
-
-  _ZNSi10_M_extractIu9__ieee128EERSiRT_;
-  _ZNSt13basic_istreamIwSt11char_traitsIwEE10_M_extractIu9__ieee128EERS2_RT_;
-  _ZNSo9_M_insertIu9__ieee128EERSoT_;
-  _ZNSt13basic_ostreamIwSt11char_traitsIwEE9_M_insertIu9__ieee128EERS2_T_;
-
-  _ZNKSt3tr14hashIu9__ieee128EclEu9__ieee128;
-  _ZNKSt4hashIu9__ieee128EclEu9__ieee128;
-
-  _ZNKSt19__gnu_cxx11_ieee1289money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE6do_getES4_S4_bRSt8ios_baseRSt12_Ios_IostateRNSt7__cxx1112basic_stringIcS3_SaIcEEE;
-  _ZNKSt19__gnu_cxx11_ieee1289money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE6do_getES4_S4_bRSt8ios_baseRSt12_Ios_IostateRu9__ieee128;
-  _ZNKSt19__gnu_cxx11_ieee1289money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE8__do_getES4_S4_bRSt8ios_baseRSt12_Ios_IostateRd;
-  _ZNKSt19__gnu_cxx11_ieee1289money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE8__do_getES4_S4_bRSt8ios_baseRSt12_Ios_IostateRg;
-  _ZNKSt19__gnu_cxx11_ieee1289money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE6do_putES4_bRSt8ios_basecRKNSt7__cxx1112basic_stringIcS3_SaIcEEE;
-  _ZNKSt19__gnu_cxx11_ieee1289money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE6do_putES4_bRSt8ios_basecu9__ieee128;
-  _ZNKSt19__gnu_cxx11_ieee1289money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE8__do_putES4_bRSt8ios_basecd;
-  _ZNKSt19__gnu_cxx11_ieee1289money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE8__do_putES4_bRSt8ios_basecg;
-  _ZSt9has_facetINSt19__gnu_cxx11_ieee1289money_getI[cw]St19istreambuf_iteratorI[cw]St11char_traitsI[cw]EEEEEbRKSt6locale;
-  _ZSt9has_facetINSt19__gnu_cxx11_ieee1289money_putI[cw]St19ostreambuf_iteratorI[cw]St11char_traitsI[cw]EEEEEbRKSt6locale;
-  _ZSt9use_facetINSt19__gnu_cxx11_ieee1289money_getI[cw]St19istreambuf_iteratorI[cw]St11char_traitsI[cw]EEEEERKT_RKSt6locale;
-  _ZSt9use_facetINSt19__gnu_cxx11_ieee1289money_putI[cw]St19ostreambuf_iteratorI[cw]St11char_traitsI[cw]EEEEERKT_RKSt6locale;
-  _ZTINSt19__gnu_cxx11_ieee1289money_getI[cw]St19istreambuf_iteratorI[cw]St11char_traitsI[cw]EEEE;
-  _ZTVNSt19__gnu_cxx11_ieee1289money_getI[cw]St19istreambuf_iteratorI[cw]St11char_traitsI[cw]EEEE;
-  _ZTINSt19__gnu_cxx11_ieee1289money_putI[cw]St19ostreambuf_iteratorI[cw]St11char_traitsI[cw]EEEE;
-  _ZTVNSt19__gnu_cxx11_ieee1289money_putI[cw]St19ostreambuf_iteratorI[cw]St11char_traitsI[cw]EEEE;
-
-  _ZNKSt19__gnu_cxx11_ieee1289money_putI[cw]St19ostreambuf_iteratorI[cw]St11char_traitsI[cw]EEE3putES4_bRSt8ios_base[cw]u9__ieee128;
-
-} GLIBCXX_3.4.26;
-
-CXXABI_IEEE128_1.3.12 {
-
-  _ZT[IS]u9__ieee128;
-  _ZT[IS]Pu9__ieee128;
-  _ZT[IS]PKu9__ieee128;
-
-} CXXABI_1.3.12;
diff --git a/libstdc++-v3/configure.ac b/libstdc++-v3/configure.ac
index 9d5b9b33ce9..cbfdf4c6bad 100644
--- a/libstdc++-v3/configure.ac
+++ b/libstdc++-v3/configure.ac
@@ -404,11 +404,7 @@ GLIBCXX_ENABLE_LIBSTDCXX_DUAL_ABI([yes])
 GLIBCXX_DEFAULT_ABI
 
 ac_ldbl_compat=no
-ac_ldbl_alt128_compat=no
-ac_ldbl_ieee128_default=no
 LONG_DOUBLE_COMPAT_FLAGS="-mlong-double-64"
-LONG_DOUBLE_128_FLAGS=
-LONG_DOUBLE_ALT128_COMPAT_FLAGS=
 case "$target" in
   powerpc*-*-linux* | \
   sparc*-*-linux* | \
@@ -425,41 +421,12 @@ case "$target" in
     port_specific_symbol_files="\$(top_srcdir)/config/os/gnu-linux/ldbl-extra.ver"
     case "$target" in
       powerpc*-*-linux*)
-	LONG_DOUBLE_COMPAT_FLAGS="$LONG_DOUBLE_COMPAT_FLAGS -mno-gnu-attribute"
-        # Check for IEEE128 support in libc:
-        AC_CHECK_FUNCS(frexpf128,
-                       [ac_ldbl_ieee128_in_libc=yes],
-                       [ac_ldbl_ieee128_in_libc=no])
-        if test $ac_ldbl_ieee128_in_libc = yes; then
-          # Determine which long double format is the compiler's default:
-          AC_TRY_COMPILE(, [
-            #ifndef __LONG_DOUBLE_IEEE128__
-            #error compiler defaults to ibm128
-            #endif
-          ], [ac_ldbl_ieee128_default=yes], [ac_ldbl_ieee128_default=no])
-          # Library objects should use IEEE128 long double format by default.
-          if test "$ac_ldbl_ieee128_default" = no; then
-            # Add -mabi=ieeelongdouble to ensire that.
-            LONG_DOUBLE_128_FLAGS="-mabi=ieeelongdouble -mno-gnu-attribute -Wno-psabi"
-          fi
-          # Except for the ones that explicitly use these flags:
-          LONG_DOUBLE_ALT128_COMPAT_FLAGS="-mabi=ibmlongdouble -mno-gnu-attribute -Wno-psabi"
-          AC_DEFINE([_GLIBCXX_LONG_DOUBLE_ALT128_COMPAT],1,
-                [Define if compatibility should be provided for alternative 128-bit long double formats.])
-          port_specific_symbol_files="$port_specific_symbol_files \$(top_srcdir)/config/os/gnu-linux/ldbl-ieee128-extra.ver"
-          ac_ldbl_alt128_compat=yes
-        else
-          ac_ldbl_alt128_compat=no
-        fi
-	;;
+	LONG_DOUBLE_COMPAT_FLAGS="$LONG_DOUBLE_COMPAT_FLAGS -mno-gnu-attribute" ;;
     esac
   fi
 esac
 AC_SUBST(LONG_DOUBLE_COMPAT_FLAGS)
-AC_SUBST(LONG_DOUBLE_128_FLAGS)
-AC_SUBST(LONG_DOUBLE_ALT128_COMPAT_FLAGS)
 GLIBCXX_CONDITIONAL(GLIBCXX_LDBL_COMPAT, test $ac_ldbl_compat = yes)
-GLIBCXX_CONDITIONAL(GLIBCXX_LDBL_ALT128_COMPAT, test $ac_ldbl_alt128_compat = yes)
 
 # Check if assembler supports disabling hardware capability support.
 GCC_CHECK_ASSEMBLER_HWCAP
diff --git a/libstdc++-v3/fragment.am b/libstdc++-v3/fragment.am
index 54645739e5c..216c572fc60 100644
--- a/libstdc++-v3/fragment.am
+++ b/libstdc++-v3/fragment.am
@@ -25,16 +25,10 @@ else
 XTEMPLATE_FLAGS =
 endif
 
-if GLIBCXX_LDBL_ALT128_COMPAT
-LDBL_128_FLAGS = $(LONG_DOUBLE_128_FLAGS)
-else
-LDBL_128_FLAGS =
-endif
-
 # These bits are all figured out from configure.  Look in acinclude.m4
 # or configure.ac to see how they are set.  See GLIBCXX_EXPORT_FLAGS.
 CONFIG_CXXFLAGS = \
-	$(SECTION_FLAGS) $(HWCAP_CFLAGS) -frandom-seed=$@ $(LDBL_128_FLAGS)
+	$(SECTION_FLAGS) $(HWCAP_CFLAGS) -frandom-seed=$@
 
 WARN_CXXFLAGS = \
 	$(WARN_FLAGS) $(WERROR_FLAG) -fdiagnostics-show-location=once 
diff --git a/libstdc++-v3/include/Makefile.am b/libstdc++-v3/include/Makefile.am
index 5bd61bea6e3..ca413b8fdfe 100644
--- a/libstdc++-v3/include/Makefile.am
+++ b/libstdc++-v3/include/Makefile.am
@@ -1293,10 +1293,6 @@ ${host_builddir}/c++config.h: ${CONFIG_HEADER} \
 	grep "^[	 ]*#[	 ]*define[	 ][	 ]*_GLIBCXX_LONG_DOUBLE_COMPAT[	 ][	 ]*1[	 ]*$$" \
 	${CONFIG_HEADER} > /dev/null 2>&1 \
 	&& ldbl_compat='s,^#undef _GLIBCXX_LONG_DOUBLE_COMPAT$$,#define _GLIBCXX_LONG_DOUBLE_COMPAT 1,' ;\
-	ldbl_alt128_compat='s,g,g,' ;\
-	grep "^[	 ]*#[	 ]*define[	 ][	 ]*_GLIBCXX_LONG_DOUBLE_ALT128_COMPAT[	 ][	 ]*1[	 ]*$$" \
-	${CONFIG_HEADER} > /dev/null 2>&1 \
-	&& ldbl_alt128_compat='s,^#undef _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT$$,#define _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT 1,' ;\
 	sed -e "s,define __GLIBCXX__,define __GLIBCXX__ $$date," \
 	-e "s,define _GLIBCXX_RELEASE,define _GLIBCXX_RELEASE $$release," \
 	-e "s,define _GLIBCXX_INLINE_VERSION, define _GLIBCXX_INLINE_VERSION $$ns_version," \
@@ -1307,7 +1303,6 @@ ${host_builddir}/c++config.h: ${CONFIG_HEADER} \
 	-e "s,define _GLIBCXX_USE_ALLOCATOR_NEW, define _GLIBCXX_USE_ALLOCATOR_NEW $$allocatornew," \
 	-e "s,define _GLIBCXX_USE_FLOAT128,$$float128," \
 	-e "$$ldbl_compat" \
-	-e "$$ldbl_alt128_compat" \
 	    < ${glibcxx_srcdir}/include/bits/c++config > $@ ;\
 	sed -e 's/HAVE_/_GLIBCXX_HAVE_/g' \
 	    -e 's/PACKAGE/_GLIBCXX_PACKAGE/g' \
@@ -1318,7 +1313,6 @@ ${host_builddir}/c++config.h: ${CONFIG_HEADER} \
 	    -e 's/_LARGE_FILES/_GLIBCXX_LARGE_FILES/g' \
 	    -e 's/ICONV_CONST/_GLIBCXX_ICONV_CONST/g' \
 	    -e '/[	 ]_GLIBCXX_LONG_DOUBLE_COMPAT[	 ]/d' \
-	    -e '/[	 ]_GLIBCXX_LONG_DOUBLE_ALT128_COMPAT[	 ]/d' \
 	    < ${CONFIG_HEADER} >> $@ ;\
 	echo "" >> $@ ;\
 	echo "#endif // _GLIBCXX_CXX_CONFIG_H" >> $@
diff --git a/libstdc++-v3/include/bits/c++config b/libstdc++-v3/include/bits/c++config
index 6af203d03ec..2e6c880ad95 100644
--- a/libstdc++-v3/include/bits/c++config
+++ b/libstdc++-v3/include/bits/c++config
@@ -425,28 +425,8 @@ _GLIBCXX_END_NAMESPACE_VERSION
 // GLIBCXX_ABI Deprecated
 // Define if compatibility should be provided for -mlong-double-64.
 #undef _GLIBCXX_LONG_DOUBLE_COMPAT
-// Define if compatibility should be provided for alternative 128-bit long
-// double formats.
-#undef _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT
-
-// Inline namespaces for long double 128 modes.
-#if defined _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT \
-  && defined __LONG_DOUBLE_IEEE128__
-namespace std
-{
-  // Namespaces for 128-bit IEEE long double format on 64-bit POWER LE.
-  inline namespace __gnu_cxx_ieee128 { }
-  inline namespace __gnu_cxx11_ieee128 { }
-}
-# define _GLIBCXX_NAMESPACE_LDBL __gnu_cxx_ieee128::
-# define _GLIBCXX_BEGIN_NAMESPACE_LDBL namespace __gnu_cxx_ieee128 {
-# define _GLIBCXX_END_NAMESPACE_LDBL }
-# define _GLIBCXX_NAMESPACE_LDBL_OR_CXX11 __gnu_cxx11_ieee128::
-# define _GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11 namespace __gnu_cxx11_ieee128 {
-# define _GLIBCXX_END_NAMESPACE_LDBL_OR_CXX11 }
-
-#else // _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT && IEEE128
 
+// Inline namespace for long double 128 mode.
 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
 namespace std
 {
@@ -460,7 +440,6 @@ namespace std
 # define _GLIBCXX_BEGIN_NAMESPACE_LDBL
 # define _GLIBCXX_END_NAMESPACE_LDBL
 #endif
-
 #if _GLIBCXX_USE_CXX11_ABI
 # define _GLIBCXX_NAMESPACE_LDBL_OR_CXX11 _GLIBCXX_NAMESPACE_CXX11
 # define _GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11 _GLIBCXX_BEGIN_NAMESPACE_CXX11
@@ -471,8 +450,6 @@ namespace std
 # define _GLIBCXX_END_NAMESPACE_LDBL_OR_CXX11 _GLIBCXX_END_NAMESPACE_LDBL
 #endif
 
-#endif // _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT && IEEE128
-
 // Debug Mode implies checking assertions.
 #if defined(_GLIBCXX_DEBUG) && !defined(_GLIBCXX_ASSERTIONS)
 # define _GLIBCXX_ASSERTIONS 1
@@ -671,12 +648,9 @@ namespace std
 # define __cpp_lib_char8_t 201907L
 #endif
 
-/* Define if __float128 is supported on this host.  */
+/* Define if __float128 is supported on this host. */
 #if defined(__FLOAT128__) || defined(__SIZEOF_FLOAT128__)
-/* For powerpc64 don't use __float128 when it's the same type as long double. */
-# if !(defined(_GLIBCXX_LONG_DOUBLE_ALT128_COMPAT) && defined(__LONG_DOUBLE_IEEE128__))
-#  define _GLIBCXX_USE_FLOAT128
-# endif
+#define _GLIBCXX_USE_FLOAT128
 #endif
 
 #if __GNUC__ >= 7
diff --git a/libstdc++-v3/include/bits/locale_classes.h b/libstdc++-v3/include/bits/locale_classes.h
index ed7764e06e7..ab90682cde2 100644
--- a/libstdc++-v3/include/bits/locale_classes.h
+++ b/libstdc++-v3/include/bits/locale_classes.h
@@ -625,10 +625,6 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 
     void _M_init_extra(facet**);
     void _M_init_extra(void*, void*, const char*, const char*);
-
-#ifdef _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT
-    void _M_init_extra_ldbl128(bool);
-#endif
   };
 
 
diff --git a/libstdc++-v3/include/bits/locale_facets.h b/libstdc++-v3/include/bits/locale_facets.h
index 9b262c2d228..3e0ae8776c9 100644
--- a/libstdc++-v3/include/bits/locale_facets.h
+++ b/libstdc++-v3/include/bits/locale_facets.h
@@ -65,10 +65,6 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 # define _GLIBCXX_NUM_UNICODE_FACETS 2
 #endif
 
-// Facets duplicated for alt128 long double format
-// num_get, num_put, money_get, money_put (+ cxx11 money_get, money_put)
-#define _GLIBCXX_NUM_LBDL_ALT128_FACETS (4 + (_GLIBCXX_USE_DUAL_ABI ? 2 : 0))
-
   // Convert string to numeric value of type _Tp and store results.
   // NB: This is specialized for all required types, there is no
   // generic definition.
@@ -2256,10 +2252,6 @@ _GLIBCXX_BEGIN_NAMESPACE_LDBL
 
       // XXX GLIBCXX_ABI Deprecated
 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
-      // For __gnu_cxx_ldbl128::num_get and __gnu_cxx_ieee128::num_get
-      // this entry in the vtable is for a 64-bit "long double" with the
-      // same format as double. This keeps the vtable layout consistent
-      // with std::num_get (visible when -mlong-double-64 is used).
       virtual iter_type
       __do_get(iter_type, iter_type, ios_base&, ios_base::iostate&,
 	       double&) const;
@@ -2272,21 +2264,8 @@ _GLIBCXX_BEGIN_NAMESPACE_LDBL
       virtual iter_type
       do_get(iter_type, iter_type, ios_base&, ios_base::iostate&, void*&) const;
 
-      // XXX GLIBCXX_ABI Deprecated
-#if defined _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT \
-      && defined __LONG_DOUBLE_IEEE128__
-      // For __gnu_cxx_ieee128::num_get this entry in the vtable is for
-      // the non-IEEE 128-bit "long double" (aka "double double"). This
-      // is consistent with __gnu_cxx_ldbl128::num_get (-mabi=ibmlongdouble)
-      virtual iter_type
-      __do_get(iter_type, iter_type, ios_base&, ios_base::iostate&,
-	       __ibm128&) const;
-#endif
-
       // XXX GLIBCXX_ABI Deprecated
 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
-      // For __gnu_cxx_ldbl128::num_get and __gnu_cxx_ieee128::num_get
-      // this entry in the vtable is for the 128-bit "long double" type.
       virtual iter_type
       do_get(iter_type, iter_type, ios_base&, ios_base::iostate&,
 	     long double&) const;
@@ -2566,13 +2545,6 @@ _GLIBCXX_BEGIN_NAMESPACE_LDBL
       virtual iter_type
       do_put(iter_type, ios_base&, char_type, const void*) const;
 
-      // XXX GLIBCXX_ABI Deprecated
-#if defined _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT \
-      && defined __LONG_DOUBLE_IEEE128__
-      virtual iter_type
-      __do_put(iter_type, ios_base&, char_type, __ibm128) const;
-#endif
-
       // XXX GLIBCXX_ABI Deprecated
 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__
       virtual iter_type
diff --git a/libstdc++-v3/include/bits/locale_facets.tcc b/libstdc++-v3/include/bits/locale_facets.tcc
index 4fdca180a87..ebc993339a6 100644
--- a/libstdc++-v3/include/bits/locale_facets.tcc
+++ b/libstdc++-v3/include/bits/locale_facets.tcc
@@ -772,24 +772,6 @@ _GLIBCXX_BEGIN_NAMESPACE_LDBL
       return __beg;
     }
 
-#if defined _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT \
-      && defined __LONG_DOUBLE_IEEE128__
-  template<typename _CharT, typename _InIter>
-    _InIter
-    num_get<_CharT, _InIter>::
-    __do_get(iter_type __beg, iter_type __end, ios_base& __io,
-	     ios_base::iostate& __err, __ibm128& __v) const
-    {
-      string __xtrc;
-      __xtrc.reserve(32);
-      __beg = _M_extract_float(__beg, __end, __io, __err, __xtrc);
-      std::__convert_to_v(__xtrc.c_str(), __v, __err, _S_get_c_locale());
-      if (__beg == __end)
-	__err |= ios_base::eofbit;
-      return __beg;
-    }
-#endif
-
   // For use by integer and floating-point types after they have been
   // converted into a char_type string.
   template<typename _CharT, typename _OutIter>
@@ -1212,15 +1194,6 @@ _GLIBCXX_BEGIN_NAMESPACE_LDBL
       return __s;
     }
 
-#if defined _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT \
-      && defined __LONG_DOUBLE_IEEE128__
-  template<typename _CharT, typename _OutIter>
-    _OutIter
-    num_put<_CharT, _OutIter>::
-    __do_put(iter_type __s, ios_base& __io, char_type __fill,
-	     __ibm128 __v) const
-    { return _M_insert_float(__s, __io, __fill, 'L', __v); }
-#endif
 _GLIBCXX_END_NAMESPACE_LDBL
 
   // Construct correctly padded string, as per 22.2.2.2.2
diff --git a/libstdc++-v3/include/bits/locale_facets_nonio.h b/libstdc++-v3/include/bits/locale_facets_nonio.h
index 6af68d3fa90..b76eac435bd 100644
--- a/libstdc++-v3/include/bits/locale_facets_nonio.h
+++ b/libstdc++-v3/include/bits/locale_facets_nonio.h
@@ -1566,7 +1566,7 @@ _GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11
        */
       // XXX GLIBCXX_ABI Deprecated
 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ \
-      && (_GLIBCXX_USE_CXX11_ABI == 0 || defined __LONG_DOUBLE_IEEE128__)
+      && _GLIBCXX_USE_CXX11_ABI == 0
       virtual iter_type
       __do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
 	       ios_base::iostate& __err, double& __units) const;
@@ -1587,17 +1587,9 @@ _GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11
       do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
 	     ios_base::iostate& __err, string_type& __digits) const;
 
-      // XXX GLIBCXX_ABI Deprecated
-#if defined _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT \
-      && defined __LONG_DOUBLE_IEEE128__
-      virtual iter_type
-      __do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
-	       ios_base::iostate& __err, __ibm128& __units) const;
-#endif
-
       // XXX GLIBCXX_ABI Deprecated
 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ \
-      && (_GLIBCXX_USE_CXX11_ABI == 0 || defined __LONG_DOUBLE_IEEE128__)
+      && _GLIBCXX_USE_CXX11_ABI == 0
       virtual iter_type
       do_get(iter_type __s, iter_type __end, bool __intl, ios_base& __io,
 	     ios_base::iostate& __err, long double& __units) const;
@@ -1719,7 +1711,7 @@ _GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11
        */
       // XXX GLIBCXX_ABI Deprecated
 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ \
-      && (_GLIBCXX_USE_CXX11_ABI == 0 || defined __LONG_DOUBLE_IEEE128__)
+      && _GLIBCXX_USE_CXX11_ABI == 0
       virtual iter_type
       __do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
 	       double __units) const;
@@ -1752,17 +1744,9 @@ _GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11
       do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
 	     const string_type& __digits) const;
 
-      // XXX GLIBCXX_ABI Deprecated
-#if defined _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT \
-      && defined __LONG_DOUBLE_IEEE128__
-      virtual iter_type
-      __do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
-	       __ibm128 __units) const;
-#endif
-
       // XXX GLIBCXX_ABI Deprecated
 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ \
-      && (_GLIBCXX_USE_CXX11_ABI == 0 || defined __LONG_DOUBLE_IEEE128__)
+      && _GLIBCXX_USE_CXX11_ABI == 0
       virtual iter_type
       do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
 	     long double __units) const;
diff --git a/libstdc++-v3/include/bits/locale_facets_nonio.tcc b/libstdc++-v3/include/bits/locale_facets_nonio.tcc
index 9e2b6577969..a8639f6ba28 100644
--- a/libstdc++-v3/include/bits/locale_facets_nonio.tcc
+++ b/libstdc++-v3/include/bits/locale_facets_nonio.tcc
@@ -350,7 +350,7 @@ _GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11
       }
 
 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ \
-      && (_GLIBCXX_USE_CXX11_ABI == 0 || defined __LONG_DOUBLE_IEEE128__)
+      && _GLIBCXX_USE_CXX11_ABI == 0
   template<typename _CharT, typename _InIter>
     _InIter
     money_get<_CharT, _InIter>::
@@ -401,22 +401,6 @@ _GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11
       return __beg;
     }
 
-#if defined _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT \
-      && defined __LONG_DOUBLE_IEEE128__
-  template<typename _CharT, typename _InIter>
-    _InIter
-    money_get<_CharT, _InIter>::
-    __do_get(iter_type __beg, iter_type __end, bool __intl, ios_base& __io,
-	     ios_base::iostate& __err, __ibm128& __units) const
-    {
-      string __str;
-      __beg = __intl ? _M_extract<true>(__beg, __end, __io, __err, __str)
-	             : _M_extract<false>(__beg, __end, __io, __err, __str);
-      std::__convert_to_v(__str.c_str(), __units, __err, _S_get_c_locale());
-      return __beg;
-    }
-#endif
-
   template<typename _CharT, typename _OutIter>
     template<bool _Intl>
       _OutIter
@@ -578,7 +562,7 @@ _GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11
       }
 
 #if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined __LONG_DOUBLE_128__ \
-      && (_GLIBCXX_USE_CXX11_ABI == 0 || defined __LONG_DOUBLE_IEEE128__)
+      && _GLIBCXX_USE_CXX11_ABI == 0
   template<typename _CharT, typename _OutIter>
     _OutIter
     money_put<_CharT, _OutIter>::
@@ -633,47 +617,6 @@ _GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11
     { return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
 	            : _M_insert<false>(__s, __io, __fill, __digits); }
 
-#if defined _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT \
-      && defined __LONG_DOUBLE_IEEE128__
-  template<typename _CharT, typename _OutIter>
-    _OutIter
-    money_put<_CharT, _OutIter>::
-    __do_put(iter_type __s, bool __intl, ios_base& __io, char_type __fill,
-	     __ibm128 __units) const
-    {
-      const locale __loc = __io.getloc();
-      const ctype<_CharT>& __ctype = use_facet<ctype<_CharT> >(__loc);
-#if _GLIBCXX_USE_C99_STDIO
-      // First try a buffer perhaps big enough.
-      int __cs_size = 64;
-      char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
-      // _GLIBCXX_RESOLVE_LIB_DEFECTS
-      // 328. Bad sprintf format modifier in money_put<>::do_put()
-      int __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
-					"%.*Lf", 0, __units);
-      // If the buffer was not large enough, try again with the correct size.
-      if (__len >= __cs_size)
-	{
-	  __cs_size = __len + 1;
-	  __cs = static_cast<char*>(__builtin_alloca(__cs_size));
-	  __len = std::__convert_from_v(_S_get_c_locale(), __cs, __cs_size,
-					"%.*Lf", 0, __units);
-	}
-#else
-      // max_exponent10 + 1 for the integer part, + 2 for sign and '\0'.
-      const int __cs_size =
-	__gnu_cxx::__numeric_traits<long double>::__max_exponent10 + 3;
-      char* __cs = static_cast<char*>(__builtin_alloca(__cs_size));
-      int __len = std::__convert_from_v(_S_get_c_locale(), __cs, 0, "%.*Lf", 
-					0, __units);
-#endif
-      string_type __digits(__len, char_type());
-      __ctype.widen(__cs, __cs + __len, &__digits[0]);
-      return __intl ? _M_insert<true>(__s, __io, __fill, __digits)
-	            : _M_insert<false>(__s, __io, __fill, __digits);
-    }
-#endif
-
 _GLIBCXX_END_NAMESPACE_LDBL_OR_CXX11
 
   // NB: Not especially useful. Without an ios_base object or some
diff --git a/libstdc++-v3/src/Makefile.am b/libstdc++-v3/src/Makefile.am
index 739d15d2ccb..21b6db7fb1c 100644
--- a/libstdc++-v3/src/Makefile.am
+++ b/libstdc++-v3/src/Makefile.am
@@ -71,20 +71,6 @@ else
 ldbl_compat_sources =
 endif
 
-if GLIBCXX_LDBL_ALT128_COMPAT
-if ENABLE_DUAL_ABI
-ldbl_alt128_compat_cxx11_sources = \
-	compatibility-ldbl-alt128-cxx11.cc
-else
-ldbl_alt128_compat_cxx11_sources =
-endif
-ldbl_alt128_compat_sources = \
-	compatibility-ldbl-alt128.cc \
-	${ldbl_alt128_compat_cxx11_sources}
-else
-ldbl_alt128_compat_sources =
-endif
-
 
 parallel_compat_sources = \
 	compatibility-parallel_list.cc  compatibility-parallel_list-2.cc
@@ -101,8 +87,7 @@ cxx11_sources = \
 	compatibility-atomic-c++0x.cc \
 	compatibility-thread-c++0x.cc \
 	compatibility-chrono.cc \
-	compatibility-condvar.cc \
-	${ldbl_alt128_compat_sources}
+	compatibility-condvar.cc
 
 libstdc___la_SOURCES = $(cxx98_sources) $(cxx11_sources)
 
@@ -136,21 +121,6 @@ compatibility-ldbl.o: compatibility-ldbl.cc
 	$(CXXCOMPILE) $(LONG_DOUBLE_COMPAT_FLAGS) -c $<
 endif
 
-# Use special rules for compatibility-ldbl-alt128.cc compilation, as we need to
-# ensure it is compiled with the correct flag.
-if GLIBCXX_LDBL_ALT128_COMPAT
-compatibility-ldbl-alt128.lo: compatibility-ldbl-alt128.cc
-	$(LTCXXCOMPILE) $(LONG_DOUBLE_ALT128_COMPAT_FLAGS) -std=gnu++11 -c $<
-compatibility-ldbl-alt128.o: compatibility-ldbl-alt128.cc
-	$(CXXCOMPILE) $(LONG_DOUBLE_ALT128_COMPAT_FLAGS) -std=gnu++11 -c $<
-if ENABLE_DUAL_ABI
-compatibility-ldbl-alt128-cxx11.lo: compatibility-ldbl-alt128-cxx11.cc
-	$(LTCXXCOMPILE) $(LONG_DOUBLE_ALT128_COMPAT_FLAGS) -std=gnu++11 -c $<
-compatibility-ldbl-alt128-cxx11.o: compatibility-ldbl-alt128-cxx11.cc
-	$(CXXCOMPILE) $(LONG_DOUBLE_ALT128_COMPAT_FLAGS) -std=gnu++11 -c $<
-endif
-endif
-
 # Use special rules for C++11 files/objects.
 compatibility-c++0x.lo: compatibility-c++0x.cc
 	$(LTCXXCOMPILE) -std=gnu++11 -c $<
diff --git a/libstdc++-v3/src/c++11/compatibility-ldbl-alt128-cxx11.cc b/libstdc++-v3/src/c++11/compatibility-ldbl-alt128-cxx11.cc
deleted file mode 100644
index 21d5a6ca421..00000000000
--- a/libstdc++-v3/src/c++11/compatibility-ldbl-alt128-cxx11.cc
+++ /dev/null
@@ -1,102 +0,0 @@
-// Compatibility symbols for alternate 128-bit long-double format -*- C++ -*-
-
-// Copyright (C) 2018 Free Software Foundation, Inc.
-//
-// This file is part of the GNU ISO C++ Library.  This library is free
-// software; you can redistribute it and/or modify it under the
-// terms of the GNU General Public License as published by the
-// Free Software Foundation; either version 3, or (at your option)
-// any later version.
-
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// Under Section 7 of GPL version 3, you are granted additional
-// permissions described in the GCC Runtime Library Exception, version
-// 3.1, as published by the Free Software Foundation.
-
-// You should have received a copy of the GNU General Public License and
-// a copy of the GCC Runtime Library Exception along with this program;
-// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
-// <http://www.gnu.org/licenses/>.
-
-#define _GLIBCXX_USE_CXX11_ABI 1
-#include <locale>
-
-#ifdef _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT
-
-#if !defined(_GLIBCXX_USE_DUAL_ABI)
-#error "compatibility-ldbl-alt128-cxx11.cc must only be compiled when dual ABI is enabled"
-#endif
-
-#ifndef __LONG_DOUBLE_IBM128__
-#error "compatibility-ldbl-alt128.cc must be compiled with -mabi=ibmlongdouble"
-#endif
-
-#define C char
-#define C_is_char
-#include "locale-inst-monetary.h"
-
-#ifdef _GLIBCXX_USE_WCHAR_T
-# undef C
-# undef C_is_char
-# define C wchar_t
-# include "locale-inst-monetary.h"
-#endif
-
-#include <functional>
-namespace std _GLIBCXX_VISIBILITY(default)
-{
-_GLIBCXX_BEGIN_NAMESPACE_VERSION
-
-  namespace
-  {
-    alignas(money_get<char>) char money_get_c[sizeof(money_get<char>)];
-    alignas(money_put<char>) char money_put_c[sizeof(money_put<char>)];
-#ifdef _GLIBCXX_USE_WCHAR_T
-    alignas(money_get<wchar_t>) char money_get_w[sizeof(money_get<wchar_t>)];
-    alignas(money_put<wchar_t>) char money_put_w[sizeof(money_put<wchar_t>)];
-#endif
-
-  template<typename Facet>
-    void
-    init_facet(function<void(const locale::id*, const locale::facet*)>& func,
-	       Facet* facet)
-    {
-      func(&Facet::id, facet);
-    }
-
-  } // namespace
-
-  template class function<void(const locale::id*, const locale::facet*)>;
-
-  void
-  __locale_Impl_init_extra_ldbl128(
-      function<void(const locale::id*, const locale::facet*)> f,
-      bool classic)
-  {
-    if (classic)
-      {
-	init_facet(f, new (&money_get_c) money_get<char>(1));
-	init_facet(f, new (&money_put_c) money_put<char>(1));
-#ifdef _GLIBCXX_USE_WCHAR_T
-	init_facet(f, new (&money_get_w) money_get<wchar_t>(1));
-	init_facet(f, new (&money_put_w) money_put<wchar_t>(1));
-#endif
-      }
-    else
-      {
-	init_facet(f, new money_get<char>);
-	init_facet(f, new money_put<char>);
-#ifdef _GLIBCXX_USE_WCHAR_T
-	init_facet(f, new money_get<wchar_t>);
-	init_facet(f, new money_put<wchar_t>);
-#endif
-      }
-  }
-
-_GLIBCXX_END_NAMESPACE_VERSION
-} // namespace
-#endif
diff --git a/libstdc++-v3/src/c++11/compatibility-ldbl-alt128.cc b/libstdc++-v3/src/c++11/compatibility-ldbl-alt128.cc
deleted file mode 100644
index 27852f6e271..00000000000
--- a/libstdc++-v3/src/c++11/compatibility-ldbl-alt128.cc
+++ /dev/null
@@ -1,234 +0,0 @@
-// Compatibility symbols for alternate 128-bit long-double format -*- C++ -*-
-
-// Copyright (C) 2018 Free Software Foundation, Inc.
-//
-// This file is part of the GNU ISO C++ Library.  This library is free
-// software; you can redistribute it and/or modify it under the
-// terms of the GNU General Public License as published by the
-// Free Software Foundation; either version 3, or (at your option)
-// any later version.
-
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// Under Section 7 of GPL version 3, you are granted additional
-// permissions described in the GCC Runtime Library Exception, version
-// 3.1, as published by the Free Software Foundation.
-
-// You should have received a copy of the GNU General Public License and
-// a copy of the GCC Runtime Library Exception along with this program;
-// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
-// <http://www.gnu.org/licenses/>.
-
-#define _GLIBCXX_USE_CXX11_ABI 0
-#include <locale>
-
-#ifdef _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT
-
-#ifndef __LONG_DOUBLE_IBM128__
-#error "compatibility-ldbl-alt128.cc must be compiled with -mabi=ibmlongdouble"
-#endif
-
-#define C char
-#define C_is_char
-#include "locale-inst-numeric.h"
-#include "locale-inst-monetary.h"
-#include "compatibility-ldbl-facets-aliases.h"
-
-#ifdef _GLIBCXX_USE_WCHAR_T
-# undef C
-# undef C_is_char
-# define C wchar_t
-# include "locale-inst-numeric.h"
-# include "locale-inst-monetary.h"
-# include "compatibility-ldbl-facets-aliases.h"
-# undef C
-#endif
-
-#include <limits>
-#include <functional>
-
-namespace std _GLIBCXX_VISIBILITY(default)
-{
-_GLIBCXX_BEGIN_NAMESPACE_VERSION
-
-  // long double
-  const bool numeric_limits<long double>::is_specialized;
-  const int  numeric_limits<long double>::digits;
-  const int  numeric_limits<long double>::digits10;
-  const int  numeric_limits<long double>::max_digits10;
-  const bool numeric_limits<long double>::is_signed;
-  const bool numeric_limits<long double>::is_integer;
-  const bool numeric_limits<long double>::is_exact;
-  const int  numeric_limits<long double>::radix;
-  const int  numeric_limits<long double>::min_exponent;
-  const int  numeric_limits<long double>::min_exponent10;
-  const int  numeric_limits<long double>::max_exponent;
-  const int  numeric_limits<long double>::max_exponent10;
-  const bool numeric_limits<long double>::has_infinity;
-  const bool numeric_limits<long double>::has_quiet_NaN;
-  const bool numeric_limits<long double>::has_signaling_NaN;
-  const float_denorm_style numeric_limits<long double>::has_denorm;
-  const bool numeric_limits<long double>::has_denorm_loss;
-  const bool numeric_limits<long double>::is_iec559;
-  const bool numeric_limits<long double>::is_bounded;
-  const bool numeric_limits<long double>::is_modulo;
-  const bool numeric_limits<long double>::traps;
-  const bool numeric_limits<long double>::tinyness_before;
-  const float_round_style numeric_limits<long double>::round_style;
-
-  template<>
-    void
-    __convert_to_v(const char* __s, long double& __v, ios_base::iostate& __err,
-		   const __c_locale& __cloc) throw()
-    {
-      char* __sanity;
-#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
-      // Prefer strtold_l, as __strtold_l isn't prototyped in more recent
-      // glibc versions.
-      __v = strtold_l(__s, &__sanity, __cloc);
-#else
-      __v = __strtold_l(__s, &__sanity, __cloc);
-#endif
-
-      // _GLIBCXX_RESOLVE_LIB_DEFECTS
-      // 23. Num_get overflow result.
-      if (__sanity == __s || *__sanity != '\0')
-	{
-	  __v = 0.0l;
-	  __err = ios_base::failbit;
-	}
-      else if (__v == numeric_limits<long double>::infinity())
-	{
-	  __v = numeric_limits<long double>::max();
-	  __err = ios_base::failbit;
-	}
-      else if (__v == -numeric_limits<long double>::infinity())
-	{
-	  __v = -numeric_limits<long double>::max();
-	  __err = ios_base::failbit;
-	}
-    }
-
-  namespace
-  {
-    alignas(money_get<char>) char money_get_c[sizeof(money_get<char>)];
-    alignas(money_put<char>) char money_put_c[sizeof(money_put<char>)];
-    alignas(num_get<char>) char num_get_c[sizeof(num_get<char>)];
-    alignas(num_put<char>) char num_put_c[sizeof(num_put<char>)];
-#ifdef _GLIBCXX_USE_WCHAR_T
-    alignas(money_get<wchar_t>) char money_get_w[sizeof(money_get<wchar_t>)];
-    alignas(money_put<wchar_t>) char money_put_w[sizeof(money_put<wchar_t>)];
-    alignas(num_get<wchar_t>) char num_get_w[sizeof(num_get<wchar_t>)];
-    alignas(num_put<wchar_t>) char num_put_w[sizeof(num_put<wchar_t>)];
-#endif
-  }
-
-  extern void
-  __locale_Impl_init_extra_ldbl128(
-      function<void(const locale::id*, const locale::facet*)>,
-      bool);
-
-  void
-  locale::_Impl::_M_init_extra_ldbl128(bool classic)
-  {
-    if (classic)
-      {
-	_M_init_facet(new (&money_get_c) money_get<char>(1));
-	_M_init_facet(new (&money_put_c) money_put<char>(1));
-	_M_init_facet(new (&num_get_c) num_get<char>(1));
-	_M_init_facet(new (&num_put_c) num_put<char>(1));
-#ifdef _GLIBCXX_USE_WCHAR_T
-	_M_init_facet(new (&money_get_w) money_get<wchar_t>(1));
-	_M_init_facet(new (&money_put_w) money_put<wchar_t>(1));
-	_M_init_facet(new (&num_get_w) num_get<wchar_t>(1));
-	_M_init_facet(new (&num_put_w) num_put<wchar_t>(1));
-#endif
-      }
-    else
-      {
-	_M_init_facet(new money_get<char>);
-	_M_init_facet(new money_put<char>);
-	_M_init_facet(new num_get<char>);
-	_M_init_facet(new num_put<char>);
-#ifdef _GLIBCXX_USE_WCHAR_T
-	_M_init_facet(new money_get<wchar_t>);
-	_M_init_facet(new money_put<wchar_t>);
-	_M_init_facet(new num_get<wchar_t>);
-	_M_init_facet(new num_put<wchar_t>);
-#endif
-      }
-
-#if _GLIBCXX_USE_DUAL_ABI
-    __locale_Impl_init_extra_ldbl128(
-	[this](const locale::id* i, const facet* f) {
-	    _M_install_facet(i, f);
-	},
-	classic);
-#endif
-  }
-
-_GLIBCXX_END_NAMESPACE_VERSION
-} // namespace
-
-#include <istream>
-#include <ostream>
-
-namespace std _GLIBCXX_VISIBILITY(default)
-{
-_GLIBCXX_BEGIN_NAMESPACE_VERSION
-  template istream& istream::operator>>(long double&);
-  template istream& istream::_M_extract(long double&);
-  template ostream& ostream::operator<<(long double);
-  template ostream& ostream::_M_insert(long double);
-#ifdef _GLIBCXX_USE_WCHAR_T
-  template wistream& wistream::operator>>(long double&);
-  template wistream& wistream::_M_extract(long double&);
-  template wostream& wostream::operator<<(long double);
-  template wostream& wostream::_M_insert(long double);
-#endif
-_GLIBCXX_END_NAMESPACE_VERSION
-} // namespace
-
-#include <complex>
-
-namespace std _GLIBCXX_VISIBILITY(default)
-{
-_GLIBCXX_BEGIN_NAMESPACE_VERSION
-  template
-    basic_istream<char, char_traits<char> >&
-    operator>>(basic_istream<char, char_traits<char> >&,
-	       complex<long double>&);
-  template
-    basic_ostream<char, char_traits<char> >&
-    operator<<(basic_ostream<char, char_traits<char> >&,
-               const complex<long double>&);
-#ifdef _GLIBCXX_USE_WCHAR_T
-  template
-    basic_istream<wchar_t, char_traits<wchar_t> >&
-    operator>>(basic_istream<wchar_t, char_traits<wchar_t> >&,
-               complex<long double>&);
-  template
-    basic_ostream<wchar_t, char_traits<wchar_t> >&
-    operator<<(basic_ostream<wchar_t, char_traits<wchar_t> >&,
-               const complex<long double>&);
-#endif
-_GLIBCXX_END_NAMESPACE_VERSION
-} // namespace
-
-#include <cmath>
-#include <tr1/functional>
-
-// For std::tr1::hash<long double>::operator()
-#include "../c++98/hash-long-double-tr1-aux.cc"
-
-// std::tr1::hash<long double>::operator()
-// and std::hash<long double>::operator()
-// are the same, no need to duplicate them.
-extern "C" void
-_ZNKSt4hashIgEclEg (void)
-  __attribute__((alias ("_ZNKSt3tr14hashIgEclEg")));
-
-#endif
diff --git a/libstdc++-v3/src/c++11/compatibility-ldbl-facets-aliases.h b/libstdc++-v3/src/c++11/compatibility-ldbl-facets-aliases.h
deleted file mode 100644
index 7bdf9810d0e..00000000000
--- a/libstdc++-v3/src/c++11/compatibility-ldbl-facets-aliases.h
+++ /dev/null
@@ -1,128 +0,0 @@
-// Compatibility aliases for long double support in locales -*- C++ -*-
-
-// Copyright (C) 1999-2018 Free Software Foundation, Inc.
-//
-// This file is part of the GNU ISO C++ Library.  This library is free
-// software; you can redistribute it and/or modify it under the
-// terms of the GNU General Public License as published by the
-// Free Software Foundation; either version 3, or (at your option)
-// any later version.
-
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// Under Section 7 of GPL version 3, you are granted additional
-// permissions described in the GCC Runtime Library Exception, version
-// 3.1, as published by the Free Software Foundation.
-
-// You should have received a copy of the GNU General Public License and
-// a copy of the GCC Runtime Library Exception along with this program;
-// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
-// <http://www.gnu.org/licenses/>.
-
-#ifndef C
-#define "This file should not be compiled directly, only included"
-#endif
-
-#ifndef _GLIBCXX_LONG_DOUBLE_COMPAT
-#define "This file should only be used for _GLIBCXX_LONG_DOUBLE_COMPAT builds"
-#endif
-
-// XXX GLIBCXX_ABI Deprecated
-#if defined __LONG_DOUBLE_128__ && ! defined __LONG_DOUBLE_IEEE128__
-
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wattribute-alias"
-
-#define _GLIBCXX_LDBL_COMPAT(dbl, ldbl) \
-  extern "C" void ldbl (void) __attribute__ ((alias (#dbl), weak))
-
-// Define members of std::num_get and std::num_put as aliases for
-// members of __gnu_cxx_ldbl128::num_get and __gnu_cxx_ldbl128::num_put
-#ifdef C_is_char
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intIjEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
-		     _ZNKSt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intIjEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intIlEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
-		     _ZNKSt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intIlEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intImEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
-		     _ZNKSt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intImEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intItEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
-		     _ZNKSt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intItEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intIxEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
-		     _ZNKSt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intIxEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intIyEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
-		     _ZNKSt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intIyEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE13_M_insert_intIlEES4_S4_RSt8ios_basecT_,
-		     _ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE13_M_insert_intIlEES3_S3_RSt8ios_basecT_);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE13_M_insert_intImEES4_S4_RSt8ios_basecT_,
-		     _ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE13_M_insert_intImEES3_S3_RSt8ios_basecT_);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE13_M_insert_intIxEES4_S4_RSt8ios_basecT_,
-		     _ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE13_M_insert_intIxEES3_S3_RSt8ios_basecT_);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE13_M_insert_intIyEES4_S4_RSt8ios_basecT_,
-		     _ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE13_M_insert_intIyEES3_S3_RSt8ios_basecT_);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE15_M_insert_floatIdEES4_S4_RSt8ios_baseccT_,
-		     _ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE15_M_insert_floatIdEES3_S3_RSt8ios_baseccT_);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE15_M_insert_floatIdEES3_S3_RSt8ios_baseccT_,
-		     _ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE15_M_insert_floatIeEES3_S3_RSt8ios_baseccT_);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1289money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE10_M_extractILb0EEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRSs,
-		     _ZNKSt9money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE10_M_extractILb0EEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRSs);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1289money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE10_M_extractILb1EEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRSs,
-		     _ZNKSt9money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE10_M_extractILb1EEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRSs);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1289money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE9_M_insertILb0EEES4_S4_RSt8ios_basecRKSs,
-		     _ZNKSt9money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE9_M_insertILb0EEES3_S3_RSt8ios_basecRKSs);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1289money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE9_M_insertILb1EEES4_S4_RSt8ios_basecRKSs,
-		     _ZNKSt9money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE9_M_insertILb1EEES3_S3_RSt8ios_basecRKSs);
-#else // ! C_is_char
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intIjEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
-		     _ZNKSt7num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intIjEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intIlEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
-		     _ZNKSt7num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intIlEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intImEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
-		     _ZNKSt7num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intImEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intItEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
-		     _ZNKSt7num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intItEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intIxEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
-		     _ZNKSt7num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intIxEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intIyEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
-		     _ZNKSt7num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intIyEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE13_M_insert_intIlEES4_S4_RSt8ios_basewT_,
-		     _ZNKSt7num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE13_M_insert_intIlEES3_S3_RSt8ios_basewT_);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE13_M_insert_intImEES4_S4_RSt8ios_basewT_,
-		     _ZNKSt7num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE13_M_insert_intImEES3_S3_RSt8ios_basewT_);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE13_M_insert_intIxEES4_S4_RSt8ios_basewT_,
-		     _ZNKSt7num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE13_M_insert_intIxEES3_S3_RSt8ios_basewT_);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE13_M_insert_intIyEES4_S4_RSt8ios_basewT_,
-		     _ZNKSt7num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE13_M_insert_intIyEES3_S3_RSt8ios_basewT_);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE15_M_insert_floatIdEES4_S4_RSt8ios_basewcT_,
-		     _ZNKSt7num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE15_M_insert_floatIdEES3_S3_RSt8ios_basewcT_);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt7num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE15_M_insert_floatIdEES3_S3_RSt8ios_basewcT_,
-		     _ZNKSt7num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE15_M_insert_floatIeEES3_S3_RSt8ios_basewcT_);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1289money_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE10_M_extractILb0EEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRSs,
-		     _ZNKSt9money_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE10_M_extractILb0EEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRSs);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1289money_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE10_M_extractILb1EEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRSs,
-		     _ZNKSt9money_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE10_M_extractILb1EEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRSs);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1289money_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE9_M_insertILb0EEES4_S4_RSt8ios_basewRKSbIwS3_SaIwEE,
-		     _ZNKSt9money_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE9_M_insertILb0EEES3_S3_RSt8ios_basewRKSbIwS2_SaIwEE);
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1289money_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE9_M_insertILb1EEES4_S4_RSt8ios_basewRKSbIwS3_SaIwEE,
-		     _ZNKSt9money_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE9_M_insertILb1EEES3_S3_RSt8ios_basewRKSbIwS2_SaIwEE);
-#endif // C_is_char
-
-
-#if defined _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT
-// Define __gnu_cxx_ieee128::num_put<>::_M_insert_float(..., __ibm128) as
-// alias of __gnu_cxx_ldbl128::num_put<>::_M_insert_float(..., __ibm128)
-# ifdef C_is_char
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE15_M_insert_floatIgEES4_S4_RSt8ios_baseccT_,
-		     _ZNKSt17__gnu_cxx_ieee1287num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE15_M_insert_floatIgEES4_S4_RSt8ios_baseccT_);
-# else
-_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE15_M_insert_floatIgEES4_S4_RSt8ios_basewcT_,
-		     _ZNKSt17__gnu_cxx_ieee1287num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE15_M_insert_floatIgEES4_S4_RSt8ios_basewcT_);
-# endif
-#endif // _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT
-
-#undef _GLIBCXX_LDBL_COMPAT
-#pragma GCC diagnostic pop
-
-#endif  // __LONG_DOUBLE_128__ && ! __LONG_DOUBLE_IEEE128__
diff --git a/libstdc++-v3/src/c++11/cow-locale_init.cc b/libstdc++-v3/src/c++11/cow-locale_init.cc
index bf270712e47..98a2ef41f56 100644
--- a/libstdc++-v3/src/c++11/cow-locale_init.cc
+++ b/libstdc++-v3/src/c++11/cow-locale_init.cc
@@ -125,7 +125,6 @@ namespace
     _M_init_facet_unchecked(new (&messages_w) std::messages<wchar_t>(1));
 #endif
 
-    // The caches must be populated last, after creating all facets.
     _M_caches[numpunct<char>::id._M_id()] = __npc;
     _M_caches[moneypunct<char, false>::id._M_id()] = __mpcf;
     _M_caches[moneypunct<char, true>::id._M_id()] = __mpct;
diff --git a/libstdc++-v3/src/c++11/cxx11-locale-inst.cc b/libstdc++-v3/src/c++11/cxx11-locale-inst.cc
index 9378550124f..7b132a748bf 100644
--- a/libstdc++-v3/src/c++11/cxx11-locale-inst.cc
+++ b/libstdc++-v3/src/c++11/cxx11-locale-inst.cc
@@ -32,6 +32,8 @@
 # error This file should not be compiled for this configuration.
 #endif
 
-#define C char
-#define C_is_char
+#ifndef C
+# define C char
+# define C_is_char
+#endif
 # include "locale-inst.cc"
diff --git a/libstdc++-v3/src/c++11/cxx11-wlocale-inst.cc b/libstdc++-v3/src/c++11/cxx11-wlocale-inst.cc
index 07eb6008361..cf3d6dc7e34 100644
--- a/libstdc++-v3/src/c++11/cxx11-wlocale-inst.cc
+++ b/libstdc++-v3/src/c++11/cxx11-wlocale-inst.cc
@@ -24,15 +24,9 @@
 // ISO C++ 14882: 22.1  Locales
 //
 
-// Facet wchar_t instantiations using new ABI strings.
-
 #define _GLIBCXX_USE_CXX11_ABI 1
 #include <bits/c++config.h>
-#if ! _GLIBCXX_USE_DUAL_ABI
-# error This file should not be compiled for this configuration.
-#endif
-
 #ifdef _GLIBCXX_USE_WCHAR_T
 #define C wchar_t
-#include "locale-inst.cc"
+#include "cxx11-locale-inst.cc"
 #endif
diff --git a/libstdc++-v3/src/c++11/locale-inst-monetary.h b/libstdc++-v3/src/c++11/locale-inst-monetary.h
deleted file mode 100644
index e9b3e7c4e0c..00000000000
--- a/libstdc++-v3/src/c++11/locale-inst-monetary.h
+++ /dev/null
@@ -1,69 +0,0 @@
-// Explicit instantantiations for monetary facets -*- C++ -*-
-
-// Copyright (C) 2018 Free Software Foundation, Inc.
-//
-// This file is part of the GNU ISO C++ Library.  This library is free
-// software; you can redistribute it and/or modify it under the
-// terms of the GNU General Public License as published by the
-// Free Software Foundation; either version 3, or (at your option)
-// any later version.
-
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// Under Section 7 of GPL version 3, you are granted additional
-// permissions described in the GCC Runtime Library Exception, version
-// 3.1, as published by the Free Software Foundation.
-
-// You should have received a copy of the GNU General Public License and
-// a copy of the GCC Runtime Library Exception along with this program;
-// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
-// <http://www.gnu.org/licenses/>.
-
-#ifndef C
-#define "This file should not be compiled directly, only included"
-#endif
-
-// This header is included multiple times, to instantiate these symbols
-// for char/wchar_t and for both std::string ABIs,
-// and (depending on the target) for two long double formats.
-
-namespace std _GLIBCXX_VISIBILITY(default)
-{
-  template const money_put<C>& use_facet<money_put<C> >(const locale&);
-  template const money_get<C>& use_facet<money_get<C> >(const locale&);
-
-  template bool has_facet<money_put<C> >(const locale&);
-  template bool has_facet<money_get<C> >(const locale&);
-
-_GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11
-  template class money_get<C, istreambuf_iterator<C> >;
-  template class money_put<C, ostreambuf_iterator<C> >;
-
-  template
-    istreambuf_iterator<C>
-    money_get<C, istreambuf_iterator<C> >::
-    _M_extract<true>(istreambuf_iterator<C>, istreambuf_iterator<C>,
-		     ios_base&, ios_base::iostate&, string&) const;
-
-  template
-    istreambuf_iterator<C>
-    money_get<C, istreambuf_iterator<C> >::
-    _M_extract<false>(istreambuf_iterator<C>, istreambuf_iterator<C>,
-		      ios_base&, ios_base::iostate&, string&) const;
-
-  template
-    ostreambuf_iterator<C>
-    money_put<C, ostreambuf_iterator<C> >::
-    _M_insert<true>(ostreambuf_iterator<C>, ios_base&, C,
-		    const string_type&) const;
-
-  template
-    ostreambuf_iterator<C>
-    money_put<C, ostreambuf_iterator<C> >::
-    _M_insert<false>(ostreambuf_iterator<C>, ios_base&, C,
-		     const string_type&) const;
-_GLIBCXX_END_NAMESPACE_LDBL_OR_CXX11
-} // namespace std
diff --git a/libstdc++-v3/src/c++11/locale-inst-numeric.h b/libstdc++-v3/src/c++11/locale-inst-numeric.h
deleted file mode 100644
index 0ec93e27937..00000000000
--- a/libstdc++-v3/src/c++11/locale-inst-numeric.h
+++ /dev/null
@@ -1,133 +0,0 @@
-// Explicit instantantiations for numeric facets -*- C++ -*-
-
-// Copyright (C) 2018 Free Software Foundation, Inc.
-//
-// This file is part of the GNU ISO C++ Library.  This library is free
-// software; you can redistribute it and/or modify it under the
-// terms of the GNU General Public License as published by the
-// Free Software Foundation; either version 3, or (at your option)
-// any later version.
-
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-// Under Section 7 of GPL version 3, you are granted additional
-// permissions described in the GCC Runtime Library Exception, version
-// 3.1, as published by the Free Software Foundation.
-
-// You should have received a copy of the GNU General Public License and
-// a copy of the GCC Runtime Library Exception along with this program;
-// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
-// <http://www.gnu.org/licenses/>.
-
-#ifndef C
-#define "This file should not be compiled directly, only included"
-#endif
-
-namespace std _GLIBCXX_VISIBILITY(default)
-{
-#if ! _GLIBCXX_USE_CXX11_ABI
-  template const num_get<C>& use_facet<num_get<C> >(const locale&);
-  template const num_put<C>& use_facet<num_put<C> >(const locale&);
-
-  template bool has_facet<num_get<C> >(const locale&);
-  template bool has_facet<num_put<C> >(const locale&);
-#endif
-
-_GLIBCXX_BEGIN_NAMESPACE_LDBL
-
-#if ! _GLIBCXX_USE_CXX11_ABI
-  template class num_get<C, istreambuf_iterator<C> >;
-  template class num_put<C, ostreambuf_iterator<C> >;
-#endif
-
-  // num_get member function templates
-  template
-    istreambuf_iterator<C>
-    num_get<C, istreambuf_iterator<C> >::
-    _M_extract_int(istreambuf_iterator<C>, istreambuf_iterator<C>,
-		   ios_base&, ios_base::iostate&,
-		   long&) const;
-
-  template
-    istreambuf_iterator<C>
-    num_get<C, istreambuf_iterator<C> >::
-    _M_extract_int(istreambuf_iterator<C>, istreambuf_iterator<C>,
-		   ios_base&, ios_base::iostate&,
-		   unsigned short&) const;
-
-  template
-    istreambuf_iterator<C>
-    num_get<C, istreambuf_iterator<C> >::
-    _M_extract_int(istreambuf_iterator<C>, istreambuf_iterator<C>,
-		   ios_base&, ios_base::iostate&,
-		   unsigned int&) const;
-
-  template
-    istreambuf_iterator<C>
-    num_get<C, istreambuf_iterator<C> >::
-    _M_extract_int(istreambuf_iterator<C>, istreambuf_iterator<C>,
-		   ios_base&, ios_base::iostate&,
-		   unsigned long&) const;
-
-#ifdef _GLIBCXX_USE_LONG_LONG
-  template
-    istreambuf_iterator<C>
-    num_get<C, istreambuf_iterator<C> >::
-    _M_extract_int(istreambuf_iterator<C>, istreambuf_iterator<C>,
-		   ios_base&, ios_base::iostate&,
-		   long long&) const;
-
-  template
-    istreambuf_iterator<C>
-    num_get<C, istreambuf_iterator<C> >::
-    _M_extract_int(istreambuf_iterator<C>, istreambuf_iterator<C>,
-		   ios_base&, ios_base::iostate&,
-		   unsigned long long&) const;
-#endif
-
-#if ! _GLIBCXX_USE_CXX11_ABI
-  // num_put member function templates
-  template
-    ostreambuf_iterator<C>
-    num_put<C, ostreambuf_iterator<C> >::
-    _M_insert_int(ostreambuf_iterator<C>, ios_base&, C,
-		  long) const;
-
-  template
-    ostreambuf_iterator<C>
-    num_put<C, ostreambuf_iterator<C> >::
-    _M_insert_int(ostreambuf_iterator<C>, ios_base&, C,
-		  unsigned long) const;
-
-#ifdef _GLIBCXX_USE_LONG_LONG
-  template
-    ostreambuf_iterator<C>
-    num_put<C, ostreambuf_iterator<C> >::
-    _M_insert_int(ostreambuf_iterator<C>, ios_base&, C,
-		  long long) const;
-
-  template
-    ostreambuf_iterator<C>
-    num_put<C, ostreambuf_iterator<C> >::
-    _M_insert_int(ostreambuf_iterator<C>, ios_base&, C,
-		  unsigned long long) const;
-#endif
-
-  template
-    ostreambuf_iterator<C>
-    num_put<C, ostreambuf_iterator<C> >::
-    _M_insert_float(ostreambuf_iterator<C>, ios_base&, C, char,
-		    double) const;
-
-  template
-    ostreambuf_iterator<C>
-    num_put<C, ostreambuf_iterator<C> >::
-    _M_insert_float(ostreambuf_iterator<C>, ios_base&, C, char,
-		    long double) const;
-#endif
-
-_GLIBCXX_END_NAMESPACE_LDBL
-} // namespace std
diff --git a/libstdc++-v3/src/c++11/locale-inst.cc b/libstdc++-v3/src/c++11/locale-inst.cc
index cd99648e8f6..4dc7f5c0780 100644
--- a/libstdc++-v3/src/c++11/locale-inst.cc
+++ b/libstdc++-v3/src/c++11/locale-inst.cc
@@ -43,9 +43,6 @@
 # define C_is_char
 #endif
 
-#include "locale-inst-numeric.h"
-#include "locale-inst-monetary.h"
-
 namespace std _GLIBCXX_VISIBILITY(default)
 {
 _GLIBCXX_BEGIN_NAMESPACE_VERSION
@@ -61,6 +58,33 @@ _GLIBCXX_BEGIN_NAMESPACE_CXX11
   template class moneypunct_byname<C, false>;
   template class moneypunct_byname<C, true>;
 _GLIBCXX_END_NAMESPACE_CXX11
+_GLIBCXX_BEGIN_NAMESPACE_LDBL_OR_CXX11
+  template class money_get<C, istreambuf_iterator<C> >;
+  template class money_put<C, ostreambuf_iterator<C> >;
+  template
+    istreambuf_iterator<C>
+    money_get<C, istreambuf_iterator<C> >::
+    _M_extract<true>(istreambuf_iterator<C>, istreambuf_iterator<C>,
+		     ios_base&, ios_base::iostate&, string&) const;
+
+  template
+    istreambuf_iterator<C>
+    money_get<C, istreambuf_iterator<C> >::
+    _M_extract<false>(istreambuf_iterator<C>, istreambuf_iterator<C>,
+		      ios_base&, ios_base::iostate&, string&) const;
+
+  template
+    ostreambuf_iterator<C>
+    money_put<C, ostreambuf_iterator<C> >::
+    _M_insert<true>(ostreambuf_iterator<C>, ios_base&, C,
+		    const string_type&) const;
+
+  template
+    ostreambuf_iterator<C>
+    money_put<C, ostreambuf_iterator<C> >::
+    _M_insert<false>(ostreambuf_iterator<C>, ios_base&, C,
+		     const string_type&) const;
+_GLIBCXX_END_NAMESPACE_LDBL_OR_CXX11
 
   // numpunct, numpunct_byname, num_get, and num_put
 #if ! _GLIBCXX_USE_CXX11_ABI
@@ -70,6 +94,97 @@ _GLIBCXX_BEGIN_NAMESPACE_CXX11
   template class numpunct<C>;
   template class numpunct_byname<C>;
 _GLIBCXX_END_NAMESPACE_CXX11
+_GLIBCXX_BEGIN_NAMESPACE_LDBL
+#if ! _GLIBCXX_USE_CXX11_ABI
+  template class num_get<C, istreambuf_iterator<C> >;
+#endif
+
+  template
+    istreambuf_iterator<C>
+    num_get<C, istreambuf_iterator<C> >::
+    _M_extract_int(istreambuf_iterator<C>, istreambuf_iterator<C>,
+		   ios_base&, ios_base::iostate&,
+		   long&) const;
+
+  template
+    istreambuf_iterator<C>
+    num_get<C, istreambuf_iterator<C> >::
+    _M_extract_int(istreambuf_iterator<C>, istreambuf_iterator<C>,
+		   ios_base&, ios_base::iostate&,
+		   unsigned short&) const;
+
+  template
+    istreambuf_iterator<C>
+    num_get<C, istreambuf_iterator<C> >::
+    _M_extract_int(istreambuf_iterator<C>, istreambuf_iterator<C>,
+		   ios_base&, ios_base::iostate&,
+		   unsigned int&) const;
+
+  template
+    istreambuf_iterator<C>
+    num_get<C, istreambuf_iterator<C> >::
+    _M_extract_int(istreambuf_iterator<C>, istreambuf_iterator<C>,
+		   ios_base&, ios_base::iostate&,
+		   unsigned long&) const;
+
+#ifdef _GLIBCXX_USE_LONG_LONG
+  template
+    istreambuf_iterator<C>
+    num_get<C, istreambuf_iterator<C> >::
+    _M_extract_int(istreambuf_iterator<C>, istreambuf_iterator<C>,
+		   ios_base&, ios_base::iostate&,
+		   long long&) const;
+
+  template
+    istreambuf_iterator<C>
+    num_get<C, istreambuf_iterator<C> >::
+    _M_extract_int(istreambuf_iterator<C>, istreambuf_iterator<C>,
+		   ios_base&, ios_base::iostate&,
+		   unsigned long long&) const;
+#endif
+
+#if ! _GLIBCXX_USE_CXX11_ABI
+  template class num_put<C, ostreambuf_iterator<C> >;
+
+  template
+    ostreambuf_iterator<C>
+    num_put<C, ostreambuf_iterator<C> >::
+    _M_insert_int(ostreambuf_iterator<C>, ios_base&, C,
+		  long) const;
+
+  template
+    ostreambuf_iterator<C>
+    num_put<C, ostreambuf_iterator<C> >::
+    _M_insert_int(ostreambuf_iterator<C>, ios_base&, C,
+		  unsigned long) const;
+
+#ifdef _GLIBCXX_USE_LONG_LONG
+  template
+    ostreambuf_iterator<C>
+    num_put<C, ostreambuf_iterator<C> >::
+    _M_insert_int(ostreambuf_iterator<C>, ios_base&, C,
+		  long long) const;
+
+  template
+    ostreambuf_iterator<C>
+    num_put<C, ostreambuf_iterator<C> >::
+    _M_insert_int(ostreambuf_iterator<C>, ios_base&, C,
+		  unsigned long long) const;
+#endif
+
+  template
+    ostreambuf_iterator<C>
+    num_put<C, ostreambuf_iterator<C> >::
+    _M_insert_float(ostreambuf_iterator<C>, ios_base&, C, char,
+		    double) const;
+
+  template
+    ostreambuf_iterator<C>
+    num_put<C, ostreambuf_iterator<C> >::
+    _M_insert_float(ostreambuf_iterator<C>, ios_base&, C, char,
+		    long double) const;
+#endif
+_GLIBCXX_END_NAMESPACE_LDBL
 
   // time_get and time_put
 #if ! _GLIBCXX_USE_CXX11_ABI
@@ -135,6 +250,16 @@ _GLIBCXX_END_NAMESPACE_CXX11
     const numpunct<C>&
     use_facet<numpunct<C> >(const locale&);
 
+#if ! _GLIBCXX_USE_CXX11_ABI
+  template
+    const num_put<C>&
+    use_facet<num_put<C> >(const locale&);
+
+  template
+    const num_get<C>&
+    use_facet<num_get<C> >(const locale&);
+#endif
+
   template
     const moneypunct<C, true>&
     use_facet<moneypunct<C, true> >(const locale&);
@@ -143,6 +268,14 @@ _GLIBCXX_END_NAMESPACE_CXX11
     const moneypunct<C, false>&
     use_facet<moneypunct<C, false> >(const locale&);
 
+  template
+    const money_put<C>&
+    use_facet<money_put<C> >(const locale&);
+
+  template
+    const money_get<C>&
+    use_facet<money_get<C> >(const locale&);
+
 #if ! _GLIBCXX_USE_CXX11_ABI
   template
     const __timepunct<C>&
@@ -180,10 +313,28 @@ _GLIBCXX_END_NAMESPACE_CXX11
     bool
     has_facet<numpunct<C> >(const locale&);
 
+#if ! _GLIBCXX_USE_CXX11_ABI
+  template
+    bool
+    has_facet<num_put<C> >(const locale&);
+
+  template
+    bool
+    has_facet<num_get<C> >(const locale&);
+#endif
+
   template
     bool
     has_facet<moneypunct<C> >(const locale&);
 
+  template
+    bool
+    has_facet<money_put<C> >(const locale&);
+
+  template
+    bool
+    has_facet<money_get<C> >(const locale&);
+
 #if ! _GLIBCXX_USE_CXX11_ABI
   template
     bool
@@ -229,6 +380,45 @@ _GLIBCXX_END_NAMESPACE_VERSION
 } // namespace
 
 // XXX GLIBCXX_ABI Deprecated
-#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && ! _GLIBCXX_USE_CXX11_ABI
-#include "compatibility-ldbl-facets-aliases.h"
+#if defined _GLIBCXX_LONG_DOUBLE_COMPAT && defined C_is_char \
+      && _GLIBCXX_USE_CXX11_ABI == 0
+
+#pragma GCC diagnostic ignored "-Wattribute-alias"
+
+#define _GLIBCXX_LDBL_COMPAT(dbl, ldbl) \
+  extern "C" void ldbl (void) __attribute__ ((alias (#dbl), weak))
+
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intIjEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
+		     _ZNKSt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intIjEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intIlEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
+		     _ZNKSt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intIlEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intImEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
+		     _ZNKSt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intImEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intItEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
+		     _ZNKSt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intItEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intIxEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
+		     _ZNKSt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intIxEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intIyEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
+		     _ZNKSt7num_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE14_M_extract_intIyEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE13_M_insert_intIlEES4_S4_RSt8ios_basecT_,
+		     _ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE13_M_insert_intIlEES3_S3_RSt8ios_basecT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE13_M_insert_intImEES4_S4_RSt8ios_basecT_,
+		     _ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE13_M_insert_intImEES3_S3_RSt8ios_basecT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE13_M_insert_intIxEES4_S4_RSt8ios_basecT_,
+		     _ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE13_M_insert_intIxEES3_S3_RSt8ios_basecT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE13_M_insert_intIyEES4_S4_RSt8ios_basecT_,
+		     _ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE13_M_insert_intIyEES3_S3_RSt8ios_basecT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE15_M_insert_floatIdEES4_S4_RSt8ios_baseccT_,
+		     _ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE15_M_insert_floatIdEES3_S3_RSt8ios_baseccT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE15_M_insert_floatIdEES3_S3_RSt8ios_baseccT_,
+		     _ZNKSt7num_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE15_M_insert_floatIeEES3_S3_RSt8ios_baseccT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1289money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE10_M_extractILb0EEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRSs,
+		     _ZNKSt9money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE10_M_extractILb0EEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRSs);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1289money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE10_M_extractILb1EEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRSs,
+		     _ZNKSt9money_getIcSt19istreambuf_iteratorIcSt11char_traitsIcEEE10_M_extractILb1EEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRSs);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1289money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE9_M_insertILb0EEES4_S4_RSt8ios_basecRKSs,
+		     _ZNKSt9money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE9_M_insertILb0EEES3_S3_RSt8ios_basecRKSs);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1289money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE9_M_insertILb1EEES4_S4_RSt8ios_basecRKSs,
+		     _ZNKSt9money_putIcSt19ostreambuf_iteratorIcSt11char_traitsIcEEE9_M_insertILb1EEES3_S3_RSt8ios_basecRKSs);
+
 #endif // _GLIBCXX_LONG_DOUBLE_COMPAT
diff --git a/libstdc++-v3/src/c++11/wlocale-inst.cc b/libstdc++-v3/src/c++11/wlocale-inst.cc
index a9a246f8f97..3a54fb51aab 100644
--- a/libstdc++-v3/src/c++11/wlocale-inst.cc
+++ b/libstdc++-v3/src/c++11/wlocale-inst.cc
@@ -33,4 +33,47 @@
 #ifdef _GLIBCXX_USE_WCHAR_T
 #define C wchar_t
 #include "locale-inst.cc"
-#endif // _GLIBCXX_USE_WCHAR_T
+
+// XXX GLIBCXX_ABI Deprecated
+#if defined _GLIBCXX_LONG_DOUBLE_COMPAT
+
+#pragma GCC diagnostic ignored "-Wattribute-alias"
+
+#define _GLIBCXX_LDBL_COMPAT(dbl, ldbl) \
+  extern "C" void ldbl (void) __attribute__ ((alias (#dbl), weak))
+
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intIjEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
+		     _ZNKSt7num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intIjEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intIlEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
+		     _ZNKSt7num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intIlEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intImEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
+		     _ZNKSt7num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intImEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intItEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
+		     _ZNKSt7num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intItEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intIxEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
+		     _ZNKSt7num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intIxEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intIyEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRT_,
+		     _ZNKSt7num_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE14_M_extract_intIyEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE13_M_insert_intIlEES4_S4_RSt8ios_basewT_,
+		     _ZNKSt7num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE13_M_insert_intIlEES3_S3_RSt8ios_basewT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE13_M_insert_intImEES4_S4_RSt8ios_basewT_,
+		     _ZNKSt7num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE13_M_insert_intImEES3_S3_RSt8ios_basewT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE13_M_insert_intIxEES4_S4_RSt8ios_basewT_,
+		     _ZNKSt7num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE13_M_insert_intIxEES3_S3_RSt8ios_basewT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE13_M_insert_intIyEES4_S4_RSt8ios_basewT_,
+		     _ZNKSt7num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE13_M_insert_intIyEES3_S3_RSt8ios_basewT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1287num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE15_M_insert_floatIdEES4_S4_RSt8ios_basewcT_,
+		     _ZNKSt7num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE15_M_insert_floatIdEES3_S3_RSt8ios_basewcT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt7num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE15_M_insert_floatIdEES3_S3_RSt8ios_basewcT_,
+		     _ZNKSt7num_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE15_M_insert_floatIeEES3_S3_RSt8ios_basewcT_);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1289money_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE10_M_extractILb0EEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRSs,
+		     _ZNKSt9money_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE10_M_extractILb0EEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRSs);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1289money_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE10_M_extractILb1EEES4_S4_S4_RSt8ios_baseRSt12_Ios_IostateRSs,
+		     _ZNKSt9money_getIwSt19istreambuf_iteratorIwSt11char_traitsIwEEE10_M_extractILb1EEES3_S3_S3_RSt8ios_baseRSt12_Ios_IostateRSs);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1289money_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE9_M_insertILb0EEES4_S4_RSt8ios_basewRKSbIwS3_SaIwEE,
+		     _ZNKSt9money_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE9_M_insertILb0EEES3_S3_RSt8ios_basewRKSbIwS2_SaIwEE);
+_GLIBCXX_LDBL_COMPAT(_ZNKSt17__gnu_cxx_ldbl1289money_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE9_M_insertILb1EEES4_S4_RSt8ios_basewRKSbIwS3_SaIwEE,
+		     _ZNKSt9money_putIwSt19ostreambuf_iteratorIwSt11char_traitsIwEEE9_M_insertILb1EEES3_S3_RSt8ios_basewRKSbIwS2_SaIwEE);
+
+#endif // _GLIBCXX_LONG_DOUBLE_COMPAT
+#endif
diff --git a/libstdc++-v3/src/c++98/locale_init.cc b/libstdc++-v3/src/c++98/locale_init.cc
index 77c6eecc1a3..c3841ccbd3c 100644
--- a/libstdc++-v3/src/c++98/locale_init.cc
+++ b/libstdc++-v3/src/c++98/locale_init.cc
@@ -57,16 +57,8 @@ _GLIBCXX_LOC_ID(_ZNSt8messagesIwE2idE);
 
 namespace
 {
-  const int num_facets = (
-      _GLIBCXX_NUM_FACETS + _GLIBCXX_NUM_CXX11_FACETS
-#ifdef _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT
-      + _GLIBCXX_NUM_LBDL_ALT128_FACETS
-#endif
-      )
-#ifdef _GLIBCXX_USE_WCHAR_T
-    * 2
-#endif
-    + _GLIBCXX_NUM_UNICODE_FACETS;
+  const int num_facets = _GLIBCXX_NUM_FACETS + _GLIBCXX_NUM_UNICODE_FACETS
+    + (_GLIBCXX_USE_DUAL_ABI ? _GLIBCXX_NUM_CXX11_FACETS : 0);
 
   __gnu_cxx::__mutex&
   get_locale_mutex()
@@ -567,10 +559,6 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 
 #endif
 
-#ifdef _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT
-    _M_init_extra_ldbl128(true);
-#endif
-
 #if _GLIBCXX_USE_DUAL_ABI
     facet* extra[] = { __npc, __mpcf, __mpct
 # ifdef  _GLIBCXX_USE_WCHAR_T
@@ -578,7 +566,6 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 # endif
     };
 
-    // This call must be after creating all facets, as it sets caches.
     _M_init_extra(extra);
 #endif
 
diff --git a/libstdc++-v3/src/c++98/localename.cc b/libstdc++-v3/src/c++98/localename.cc
index 29f439ffa9a..243acce164c 100644
--- a/libstdc++-v3/src/c++98/localename.cc
+++ b/libstdc++-v3/src/c++98/localename.cc
@@ -171,16 +171,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       }
   }
 
-const int num_facets = (
-    _GLIBCXX_NUM_FACETS + _GLIBCXX_NUM_CXX11_FACETS
-#ifdef _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT
-    + _GLIBCXX_NUM_LBDL_ALT128_FACETS
-#endif
-    )
-#ifdef _GLIBCXX_USE_WCHAR_T
-  * 2
-#endif
-  + _GLIBCXX_NUM_UNICODE_FACETS;
+const int num_facets = _GLIBCXX_NUM_FACETS + _GLIBCXX_NUM_UNICODE_FACETS
+  + (_GLIBCXX_USE_DUAL_ABI ? _GLIBCXX_NUM_CXX11_FACETS : 0);
 
   // Construct named _Impl.
   locale::_Impl::
@@ -292,10 +284,6 @@ const int num_facets = (
         _M_init_extra(&__cloc, &__clocm, __s, __smon);
 #endif
 
-#ifdef _GLIBCXX_LONG_DOUBLE_ALT128_COMPAT
-	_M_init_extra_ldbl128(false);
-#endif
-
 	locale::facet::_S_destroy_c_locale(__cloc);
 	if (__clocm != __cloc)
 	  locale::facet::_S_destroy_c_locale(__clocm);
diff --git a/libstdc++-v3/testsuite/util/testsuite_abi.cc b/libstdc++-v3/testsuite/util/testsuite_abi.cc
index 1f235baa84a..33b9ec15935 100644
--- a/libstdc++-v3/testsuite/util/testsuite_abi.cc
+++ b/libstdc++-v3/testsuite/util/testsuite_abi.cc
@@ -207,7 +207,6 @@ check_version(symbol& test, bool added)
       known_versions.push_back("GLIBCXX_3.4.24");
       known_versions.push_back("GLIBCXX_3.4.25");
       known_versions.push_back("GLIBCXX_3.4.26");
-      known_versions.push_back("GLIBCXX_IEEE128_3.4.26");
       known_versions.push_back("GLIBCXX_3.4.27");
       known_versions.push_back("GLIBCXX_3.4.28");
       known_versions.push_back("GLIBCXX_3.4.29");
@@ -225,9 +224,8 @@ check_version(symbol& test, bool added)
       known_versions.push_back("CXXABI_1.3.9");
       known_versions.push_back("CXXABI_1.3.10");
       known_versions.push_back("CXXABI_1.3.11");
-      known_versions.push_back("CXXABI_IEEE128_1.3.12");
+      known_versions.push_back("CXXABI_1.3.12");
       known_versions.push_back("CXXABI_1.3.13");
-      known_versions.push_back("CXXABI_IEEE128_1.3.13");
       known_versions.push_back("CXXABI_TM_1");
       known_versions.push_back("CXXABI_FLOAT128");
     }
@@ -249,9 +247,7 @@ check_version(symbol& test, bool added)
 	  // XXX remove next line when GLIBCXX_3.4.30 is added and baselines
 	  // have been regenerated to include GLIBCXX_LDBL_3.4.29 symbols:
 		     || test.version_name == "GLIBCXX_LDBL_3.4.29"
-		     || test.version_name == "CXXABI_IEEE128_1.3.12"
 		     || test.version_name == "CXXABI_1.3.13"
-		     || test.version_name == "CXXABI_IEEE128_1.3.13"
 		     || test.version_name == "CXXABI_FLOAT128"
 		     || test.version_name == "CXXABI_TM_1");
       if (added && !latestp)
@@ -264,17 +260,7 @@ check_version(symbol& test, bool added)
 	  && test.demangled_name.find("std::__cxx11::") != 0)
 	{
 	  if (test.version_name.find("_LDBL_") == std::string::npos
-	      && test.version_name.find("_FLOAT128") == std::string::npos
-	      && test.version_name.find("_IEEE128") == std::string::npos)
-	    test.version_status = symbol::incompatible;
-	}
-
-      // Check that IEEE128 long double compatibility symbols demangled as
-      // __ieee128 are put into some _LDBL_IEEE version name.
-      // XXX is this right? might not want *everything* for __ieee128 in here.
-      if (added && test.demangled_name.find("__ieee128") != std::string::npos)
-	{
-	  if (test.version_name.find("_IEEE128") == std::string::npos)
+	      && test.version_name.find("_FLOAT128") == std::string::npos)
 	    test.version_status = symbol::incompatible;
 	}


More information about the Libstdc++-cvs mailing list