http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53280

             Bug #: 53280
           Summary: s390 bootstrap failure since r186977
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: kreb...@gcc.gnu.org


SVN revision 186977 seem to have caused:

In file included from
/build/regtest/gcc-head-build/s390-ibm-linux-gnu/libstdc++-v3/include/bits/stl_algo.h:68:0,
                 from
/build/regtest/gcc-head-build/s390-ibm-linux-gnu/libstdc++-v3/include/algorithm:63,
                 from
/build/regtest/gcc-head-build/s390-ibm-linux-gnu/libstdc++-v3/include/regex:38,
                 from
/build/regtest/gcc-head/libstdc++-v3/src/c++11/regex.cc:25:
/build/regtest/gcc-head-build/s390-ibm-linux-gnu/libstdc++-v3/include/functional:
In member function ‘std::__regex::_StateIdT
std::__regex::_Nfa::_M_insert_accept()’:
/build/regtest/gcc-head-build/s390-ibm-linux-gnu/libstdc++-v3/include/functional:2057:63:
internal compiler error: tree check: expected tree_vec, have error_mark in
comp_template_args_with_info, at cp/pt.c:7038
  using _Requires = typename enable_if<_Cond::value, _Tp>::type;
                                                               ^
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

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