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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug libstdc++/43622] no C++ typeinfo for __float128 and __int128
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43622

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jakub at gcc dot gnu.org

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-02-24 19:13:16 UTC ---
I guess #c4 patch will break ppc/s390 etc.
config/os/gnu-linux/ldbl-extra.ver already has:
CXXABI_LDBL_1.3 {
  _ZT[IS]g;
  _ZT[IS]Pg;
  _ZT[IS]PKg;
};

So, IMNSHO you don't want to add something like that to gnu.ver, but have
a special *.ver file for those 3 targets (i?86/x86_64/ia64) that have
__float128.