[Bug bootstrap/63622] New: [5.0 Regression] Bootstrap fails on x86_64-apple-darwin1[34] after revision r216305

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63622

            Bug ID: 63622
           Summary: [5.0 Regression] Bootstrap fails on
                    x86_64-apple-darwin1[34] after revision r216305
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dominiq at lps dot ens.fr
                CC: iains at gcc dot gnu.org, marxin at gcc dot gnu.org
              Host: x86_64-apple-darwin1[34]
            Target: x86_64-apple-darwin1[34]
             Build: x86_64-apple-darwin1[34]

Bootstrap fails on x86_64-apple-darwin1[34] after revision r216305:

...
libtool: link:  /opt/gcc/p_build/./gcc/xgcc -shared-libgcc
-B/opt/gcc/p_build/./gcc -nostdinc++
-L/opt/gcc/p_build/x86_64-apple-darwin14.0.0/libstdc++-v3/src
-L/opt/gcc/p_build/x86_64-apple-darwin14.0.0/libstdc++-v3/src/.libs
-L/opt/gcc/p_build/x86_64-apple-darwin14.0.0/libstdc++-v3/libsupc++/.libs
-B/opt/gcc/gcc4.10p-216305p1/x86_64-apple-darwin14.0.0/bin/
-B/opt/gcc/gcc4.10p-216305p1/x86_64-apple-darwin14.0.0/lib/ -isystem
/opt/gcc/gcc4.10p-216305p1/x86_64-apple-darwin14.0.0/include -isystem
/opt/gcc/gcc4.10p-216305p1/x86_64-apple-darwin14.0.0/sys-include    -dynamiclib
-Wl,-undefined -Wl,dynamic_lookup -o .libs/libstdc++.6.dylib 
.libs/compatibility.o .libs/compatibility-debug_list.o
.libs/compatibility-debug_list-2.o .libs/compatibility-c++0x.o
.libs/compatibility-atomic-c++0x.o .libs/compatibility-thread-c++0x.o
.libs/compatibility-chrono.o .libs/compatibility-condvar.o  
-Wl,-force_load,../libsupc++/.libs/libsupc++convenience.a
-Wl,-force_load,../src/c++98/.libs/libc++98convenience.a
-Wl,-force_load,../src/c++11/.libs/libc++11convenience.a 
-L/opt/gcc/p_build/x86_64-apple-darwin14.0.0/libstdc++-v3/libsupc++/.libs
-L/opt/gcc/p_build/x86_64-apple-darwin14.0.0/libstdc++-v3/src
-L/opt/gcc/p_build/x86_64-apple-darwin14.0.0/libstdc++-v3/src/.libs -lm 
-Wl,-single_module -Wl,-exported_symbols_list -Wl,libstdc++-symbols.explist  
-install_name  /opt/gcc/gcc4.10p-216305p1/lib/libstdc++.6.dylib
-compatibility_version 7 -current_version 7.21 -Wl,-single_module
ld: warning: cannot export hidden symbol
__cxxabiv1::__pbase_type_info::__pointer_catch(__cxxabiv1::__pbase_type_info
const*, void**, unsigned int) const from
../libsupc++/.libs/libsupc++convenience.a(pbase_type_info.o)
ld: warning: cannot export hidden symbol std::basic_stringbuf<char,
std::char_traits<char>, std::allocator<char> >::~basic_stringbuf() from
../src/c++98/.libs/libc++98convenience.a(complex_io.o)
ld: warning: cannot export hidden symbol std::basic_stringbuf<wchar_t,
std::char_traits<wchar_t>, std::allocator<wchar_t> >::~basic_stringbuf() from
../src/c++98/.libs/libc++98convenience.a(complex_io.o)
ld: warning: cannot export hidden symbol std::ctype<char>::do_widen(char) const
from ../src/c++98/.libs/libc++98convenience.a(ctype.o)
ld: warning: cannot export hidden symbol std::ctype<char>::do_narrow(char,
char) const from ../src/c++98/.libs/libc++98convenience.a(ctype.o)
ld: warning: cannot export hidden symbol std::ctype<char>::do_narrow(char
const*, char const*, char, char*) const from
../src/c++98/.libs/libc++98convenience.a(ctype.o)
ld: warning: cannot export hidden symbol std::ctype<char>::do_widen(char
const*, char const*, char*) const from
../src/c++98/.libs/libc++98convenience.a(ctype.o)
ld: warning: cannot export hidden symbol construction vtable for
std::basic_istream<char, std::char_traits<char> >-in-std::istrstream from
../src/c++98/.libs/libc++98convenience.a(strstream.o)
ld: warning: cannot export hidden symbol construction vtable for
std::basic_ostream<char, std::char_traits<char> >-in-std::ostrstream from
../src/c++98/.libs/libc++98convenience.a(strstream.o)
ld: warning: cannot export hidden symbol construction vtable for
std::basic_istream<char, std::char_traits<char> >-in-std::strstream from
../src/c++98/.libs/libc++98convenience.a(strstream.o)
ld: warning: cannot export hidden symbol construction vtable for
std::basic_iostream<char, std::char_traits<char> >-in-std::strstream from
../src/c++98/.libs/libc++98convenience.a(strstream.o)
ld: warning: cannot export hidden symbol std::ctype<char>::do_widen(char) const
from ../src/c++98/.libs/libc++98convenience.a(ctype_members.o)
ld: warning: cannot export hidden symbol std::ctype<char>::do_narrow(char,
char) const from ../src/c++98/.libs/libc++98convenience.a(ctype_members.o)
ld: warning: cannot export hidden symbol std::ctype<char>::do_narrow(char
const*, char const*, char, char*) const from
../src/c++98/.libs/libc++98convenience.a(ctype_members.o)
ld: warning: cannot export hidden symbol std::ctype<char>::do_widen(char
const*, char const*, char*) const from
../src/c++98/.libs/libc++98convenience.a(ctype_members.o)
ld: warning: cannot export hidden symbol std::ctype<char>::do_widen(char) const
from ../src/c++98/.libs/libc++98convenience.a(locale-inst.o)
ld: warning: cannot export hidden symbol std::ctype<char>::do_narrow(char,
char) const from ../src/c++98/.libs/libc++98convenience.a(locale-inst.o)
ld: warning: cannot export hidden symbol std::ctype<char>::do_widen(char
const*, char const*, char*) const from
../src/c++98/.libs/libc++98convenience.a(locale-inst.o)
ld: warning: cannot export hidden symbol std::ctype<char>::do_widen(char) const
from ../src/c++98/.libs/libc++98convenience.a(misc-inst.o)
ld: warning: cannot export hidden symbol __gnu_cxx::stdio_sync_filebuf<char,
std::char_traits<char> >::~stdio_sync_filebuf() from
../src/c++11/.libs/libc++11convenience.a(ext11-inst.o)
ld: warning: cannot export hidden symbol __gnu_cxx::stdio_sync_filebuf<char,
std::char_traits<char> >::~stdio_sync_filebuf() from
../src/c++11/.libs/libc++11convenience.a(ext11-inst.o)
ld: warning: cannot export hidden symbol __gnu_cxx::stdio_sync_filebuf<wchar_t,
std::char_traits<wchar_t> >::~stdio_sync_filebuf() from
../src/c++11/.libs/libc++11convenience.a(ext11-inst.o)
ld: warning: cannot export hidden symbol __gnu_cxx::stdio_sync_filebuf<wchar_t,
std::char_traits<wchar_t> >::~stdio_sync_filebuf() from
../src/c++11/.libs/libc++11convenience.a(ext11-inst.o)
ld: warning: cannot export hidden symbol __gnu_cxx::stdio_sync_filebuf<wchar_t,
std::char_traits<wchar_t> >::xsgetn(wchar_t*, long) from
../src/c++11/.libs/libc++11convenience.a(ext11-inst.o)
ld: warning: cannot export hidden symbol __gnu_cxx::stdio_sync_filebuf<wchar_t,
std::char_traits<wchar_t> >::xsputn(wchar_t const*, long) from
../src/c++11/.libs/libc++11convenience.a(ext11-inst.o)
ld: warning: cannot export hidden symbol __gnu_cxx::stdio_sync_filebuf<char,
std::char_traits<char> >::xsputn(char const*, long) from
../src/c++11/.libs/libc++11convenience.a(ext11-inst.o)
ld: warning: cannot export hidden symbol __gnu_cxx::stdio_sync_filebuf<char,
std::char_traits<char> >::xsgetn(char*, long) from
../src/c++11/.libs/libc++11convenience.a(ext11-inst.o)
ld: warning: cannot export hidden symbol std::ctype<char>::do_widen(char) const
from ../src/c++11/.libs/libc++11convenience.a(ios-inst.o)
ld: warning: cannot export hidden symbol std::ctype<char>::do_narrow(char,
char) const from ../src/c++11/.libs/libc++11convenience.a(ios-inst.o)
ld: warning: cannot export hidden symbol std::ctype<char>::do_widen(char) const
from ../src/c++11/.libs/libc++11convenience.a(istream-inst.o)
ld: warning: cannot export hidden symbol std::ctype<char>::do_widen(char) const
from ../src/c++11/.libs/libc++11convenience.a(ostream-inst.o)
ld: warning: cannot export hidden symbol std::basic_stringbuf<wchar_t,
std::char_traits<wchar_t>, std::allocator<wchar_t> >::~basic_stringbuf() from
../src/c++11/.libs/libc++11convenience.a(sstream-inst.o)
ld: warning: cannot export hidden symbol std::basic_stringbuf<char,
std::char_traits<char>, std::allocator<char> >::~basic_stringbuf() from
../src/c++11/.libs/libc++11convenience.a(sstream-inst.o)
ld: warning: cannot export hidden symbol std::basic_stringbuf<char,
std::char_traits<char>, std::allocator<char> >::~basic_stringbuf() from
../src/c++11/.libs/libc++11convenience.a(sstream-inst.o)
ld: warning: cannot export hidden symbol std::basic_stringbuf<wchar_t,
std::char_traits<wchar_t>, std::allocator<wchar_t> >::~basic_stringbuf() from
../src/c++11/.libs/libc++11convenience.a(sstream-inst.o)
ld: warning: cannot export hidden symbol construction vtable for
std::basic_istream<char, std::char_traits<char>
>-in-std::basic_istringstream<char, std::char_traits<char>,
std::allocator<char> > from
../src/c++11/.libs/libc++11convenience.a(sstream-inst.o)
ld: warning: cannot export hidden symbol construction vtable for
std::basic_ostream<char, std::char_traits<char>
>-in-std::basic_ostringstream<char, std::char_traits<char>,
std::allocator<char> > from
../src/c++11/.libs/libc++11convenience.a(sstream-inst.o)
ld: warning: cannot export hidden symbol construction vtable for
std::basic_ostream<char, std::char_traits<char>
>-in-std::basic_stringstream<char, std::char_traits<char>, std::allocator<char>
> from ../src/c++11/.libs/libc++11convenience.a(sstream-inst.o)
ld: warning: cannot export hidden symbol construction vtable for
std::basic_istream<char, std::char_traits<char>
>-in-std::basic_stringstream<char, std::char_traits<char>, std::allocator<char>
> from ../src/c++11/.libs/libc++11convenience.a(sstream-inst.o)
ld: warning: cannot export hidden symbol construction vtable for
std::basic_iostream<char, std::char_traits<char>
>-in-std::basic_stringstream<char, std::char_traits<char>, std::allocator<char>
> from ../src/c++11/.libs/libc++11convenience.a(sstream-inst.o)
ld: warning: cannot export hidden symbol construction vtable for
std::basic_istream<wchar_t, std::char_traits<wchar_t>
>-in-std::basic_istringstream<wchar_t, std::char_traits<wchar_t>,
std::allocator<wchar_t> > from
../src/c++11/.libs/libc++11convenience.a(sstream-inst.o)
ld: warning: cannot export hidden symbol construction vtable for
std::basic_ostream<wchar_t, std::char_traits<wchar_t>
>-in-std::basic_ostringstream<wchar_t, std::char_traits<wchar_t>,
std::allocator<wchar_t> > from
../src/c++11/.libs/libc++11convenience.a(sstream-inst.o)
ld: warning: cannot export hidden symbol construction vtable for
std::basic_ostream<wchar_t, std::char_traits<wchar_t>
>-in-std::basic_stringstream<wchar_t, std::char_traits<wchar_t>,
std::allocator<wchar_t> > from
../src/c++11/.libs/libc++11convenience.a(sstream-inst.o)
ld: warning: cannot export hidden symbol construction vtable for
std::basic_istream<wchar_t, std::char_traits<wchar_t>
>-in-std::basic_stringstream<wchar_t, std::char_traits<wchar_t>,
std::allocator<wchar_t> > from
../src/c++11/.libs/libc++11convenience.a(sstream-inst.o)
ld: warning: cannot export hidden symbol construction vtable for
std::basic_iostream<wchar_t, std::char_traits<wchar_t>
>-in-std::basic_stringstream<wchar_t, std::char_traits<wchar_t>,
std::allocator<wchar_t> > from
../src/c++11/.libs/libc++11convenience.a(sstream-inst.o)
ld: illegal text reloc in 'std::strstream::strstream()' to 'construction vtable
for std::basic_ostream<char, std::char_traits<char> >-in-std::strstream' for
architecture x86_64
...

using the following command 

/opt/gcc/build_w/./gcc/xgcc -shared-libgcc -B/opt/gcc/build_w/./gcc
-L/opt/gcc/build_w/x86_64-apple-darwin14.0.0/libstdc++-v3/src
-L/opt/gcc/build_w/x86_64-apple-darwin14.0.0/libstdc++-v3/src/.libs
-L/opt/gcc/build_w/x86_64-apple-darwin14.0.0/libstdc++-v3/libsupc++/.libs
-dynamiclib -Wl,-undefined -Wl,dynamic_lookup .libs/compatibility.o
-Wl,-force_load,../src/c++98/.libs/libc++98convenience.a

in x86_64-apple-darwin14.0.0/libstdc++-v3/src gives

ld: illegal text reloc in 'std::strstream::strstream()' to 'construction vtable
for std::basic_ostream<char, std::char_traits<char> >-in-std::strstream' for
architecture x86_64
collect2: error: ld returned 1 exit status