[Bug libstdc++/53518] New: [4.8 regression] testsuite_abi_check.cc doesn't compile

["ro at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53518

             Bug #: 53518
           Summary: [4.8 regression] testsuite_abi_check.cc doesn't
                    compile
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: ro@gcc.gnu.org
              Host: *-*-solaris2.9
            Target: *-*-solaris2.9
             Build: *-*-solaris2.9


Between 20120518 and 20120525, many libstdc++ testcases started to fail.  
The root cause is

output is:
Undefined                       first referenced^M
 symbol                             in file^M
construction vtable for std::basic_istream<char, std::char_traits<char>
>-in-std
::basic_ifstream<char, std::char_traits<char> >
./libtestc++.a(testsuite_abi.o)^
M
construction vtable for std::basic_istream<char, std::char_traits<char>
>-in-std
::basic_istringstream<char, std::char_traits<char>, std::allocator<char> >
./lib
testc++.a(testsuite_abi.o)^M
ld: fatal: Symbol referencing errors. No output written to abi_check^M
collect2: error: ld returned 1 exit status^M

ERROR: tcl error sourcing
/vol/gcc/src/hg/trunk/local/libstdc++-v3/testsuite/lib
stdc++-abi/abi.exp.
ERROR: could not compile testsuite_abi_check.cc
    while executing

  Rainer