[Bug libstdc++/53193] New: [4.7 Regression] 23_containers/unordered_set/instantiation_neg.cc

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53193

             Bug #: 53193
           Summary: [4.7 Regression]
                    23_containers/unordered_set/instantiation_neg.cc
    Classification: Unclassified
           Product: gcc
           Version: 4.7.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: hjl.tools@gmail.com
                CC: fdumont@gcc.gnu.org


On Linux/x86, revision 187023

http://gcc.gnu.org/ml/gcc-cvs/2012-05/msg00019.html

caused:

In file included from
/export/gnu/import/git/gcc-regression/gcc-4_7-branch/187033/bld/x86_64-unknown-linux-gnu/libstdc++-v3/include/unordered_set:45:0,^M
                 from
/export/gnu/import/git/gcc-regression/gcc/libstdc++-v3/testsuite/23_containers/unordered_set/instantiation_neg.cc:24:^M
/export/gnu/import/git/gcc-regression/gcc-4_7-branch/187033/bld/x86_64-unknown-linux-gnu/libstdc++-v3/include/bits/hashtable.h:
In instantiation of 'class std::_Hashtable<int, int, std::allocator<int>,
std::_Identity<int>, std::equal_to<int>, {anonymous}::hash_without_noexcept,
std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash,
std::__detail::_Prime_rehash_policy, false, true, true>':^M
/export/gnu/import/git/gcc-regression/gcc-4_7-branch/187033/bld/x86_64-unknown-linux-gnu/libstdc++-v3/include/bits/unordered_set.h:47:11:
  required from 'class std::__unordered_set<int,
{anonymous}::hash_without_noexcept, std::equal_to<int>, std::allocator<int>,
false>'^M
/export/gnu/import/git/gcc-regression/gcc/libstdc++-v3/testsuite/23_containers/unordered_set/instantiation_neg.cc:40:17:
  required from here^M
/export/gnu/import/git/gcc-regression/gcc-4_7-branch/187033/bld/x86_64-unknown-linux-gnu/libstdc++-v3/include/bits/hashtable.h:186:7:
error: static assertion failed: Cache the hash code or qualify your hash
functor with noexcept^M
compiler exited with status 1