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[Bug c++/25592] New: no typeinfo for template class if requested by __attribute__(((visibility("default")))


The following code compiled with -fvisibility=hidden produces only typeinfo
symbols with hidden visibility:

#define GOTT_EXPORT __attribute__ ((visibility("default")))

template<class T> struct GOTT_EXPORT spelled_t {};

template<class T>
inline std::type_info const &spell() {
  return typeid(spelled_t<T>);
}

... spell<long>()

readelf -sW says:

  1441: 0000000000180800    16 OBJECT  LOCAL  HIDDEN   22
_ZTIN4gott4xany9spelled_tIlEE
  2536: 0000000000058cb0    26 OBJECT  LOCAL  HIDDEN   12
_ZTSN4gott4xany9spelled_tIlEE

gcc -v says:

Reading specs from /usr/lib/gcc/x86_64-pc-linux-gnu/3.4.4/specs
Configured with: /var/tmp/portage/gcc-3.4.4-r1/work/gcc-3.4.4/configure
--prefix=/usr --bindir=/usr/x86_64-pc-linux-gnu/gcc-bin/3.4.4
--includedir=/usr/lib/gcc/x86_64-pc-linux-gnu/3.4.4/include
--datadir=/usr/share/gcc-data/x86_64-pc-linux-gnu/3.4.4
--mandir=/usr/share/gcc-data/x86_64-pc-linux-gnu/3.4.4/man
--infodir=/usr/share/gcc-data/x86_64-pc-linux-gnu/3.4.4/info
--with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/3.4.4/include/g++-v3
--host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --disable-altivec
--enable-nls --without-included-gettext --with-system-zlib --disable-checking
--disable-werror --disable-libunwind-exceptions --enable-multilib
--disable-libmudflap --disable-libgcj --enable-languages=c,c++ --enable-shared
--enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu
Thread model: posix
gcc version 3.4.4 (Gentoo 3.4.4-r1, ssp-3.4.4-1.0, pie-8.7.8)


-- 
           Summary: no typeinfo for template class if requested by
                    __attribute__(((visibility("default")))
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: aribrei at arcor dot de


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25592


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