[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> >'

[ro at gcc dot gnu.org]

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

--- Comment #31 from Rainer Orth <ro at gcc dot gnu.org> 2013-02-04 10:16:18 UTC ---
The patch seems to have broken many testcases on platforms like Solaris 9 with
Sun as that lack visibility support:

FAIL: g++.dg/abi/covariant2.C -std=c++98 (test for excess errors)
Excess errors:
/vol/gcc/src/hg/trunk/local/gcc/testsuite/g++.dg/abi/covariant2.C:31:20:
warning
: visibility attribute not supported in this configuration; ignored
[-Wattribute
s]
/vol/gcc/src/hg/trunk/local/gcc/testsuite/g++.dg/abi/covariant2.C:31:20:
warning
: visibility attribute not supported in this configuration; ignored
[-Wattribute
s]

  Rainer