[Bug libstdc++/54314] [4.8 Regression] undefined references to 'construction vtable for std::ostream-in-std::basic_ostringstream<char, std::char_traits<char>, std::allocator<char> >'

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54314

--- Comment #29 from Jason Merrill <jason at gcc dot gnu.org> 2013-01-29 17:24:58 UTC ---
Author: jason
Date: Tue Jan 29 17:24:51 2013
New Revision: 195550

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195550
Log:
    PR libstdc++/54314
gcc/
    * varasm.c (default_assemble_visibility): Don't warn about
    visibility on artificial decls.
gcc/cp/
    * class.c (build_ctor_vtbl_group): Give construction vtables
    hidden visibility.
libstdc++-v3/
    * config/abi/pre/gnu.ver: Don't export construction vtables.
    * config/abi/pre/gnu-versioned-namespace.ver: Likewise.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/class.c
    trunk/gcc/varasm.c
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/config/abi/pre/gnu-versioned-namespace.ver
    trunk/libstdc++-v3/config/abi/pre/gnu.ver