[Bug libstdc++/46000] New: runtime error in std::set python pretty printer

["pluto at agmk dot net" <gcc-bugzilla@gcc.gnu.org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46000

           Summary: runtime error in std::set python pretty printer
           Product: gcc
           Version: 4.5.2
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: pluto@agmk.net
              Host: x86_64-gnu-linux
            Target: x86_64-gnu-linux
             Build: x86_64-gnu-linux


Created attachment 22027
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22027
reduced testcase.

(gdb) r
Starting program: /home/users/pawels/sandbox/src/gdb-printers-bugs/02/t

Breakpoint 1, main () at t.cpp:13
13              Bus bus;
(gdb) n
14              bus.c.insert( new Connection() );
(gdb)
15              bus.c.insert( new Connection() );
(gdb) p bus
$1 = (Bus) {
  _vptr.Bus = 0x418050,
  c = std::set with 1 elements = {
    [0] = 0x633c20
  }
}
(gdb) n
16              bus.c.insert( new Connection() );
(gdb) p bus
$2 = (Bus) {
  _vptr.Bus = 0x418050,
  c = std::set with 2 elementsTraceback (most recent call last):
  File
"/local/devel/toolchain45/x86_64-gnu-linux.mt_alloc/share/gcc-4.5.2/python/libstdcxx/v6/printers.py",
line 395, in next
    item = self.rbiter.next()
  File
"/local/devel/toolchain45/x86_64-gnu-linux.mt_alloc/share/gcc-4.5.2/python/libstdcxx/v6/printers.py",
line 297, in next
    if node.dereference()['_M_right']:
RuntimeError: Attempt to dereference a generic pointer.

}