[Bug libstdc++/53324] New: Crash when mixing _GLIBCXX_DEBUG and non-_GLIBCXX_DEBUG std::deque

["dominik dot strasser at onespin-solutions dot com" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53324

             Bug #: 53324
           Summary: Crash when mixing _GLIBCXX_DEBUG and
                    non-_GLIBCXX_DEBUG std::deque
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: dominik.strasser@onespin-solutions.com


Created attachment 27373
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27373
Example to illustrate the problem

The attached example mixes std::deque compiled without _GLIBCXX_DEBUG.
The non-_GLIBCXX_DEBUG comes in the original from a binary supplied lib.

IMHO the mixture should either work or disallowed by making std::deque not
assignable to a std::__debug::deque.