[Bug libstdc++/55649] libstdcxx gdb python pretty printer for tr1 not working

["david.simmonds at igmarkets dot com" <gcc-bugzilla@gcc.gnu.org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55649

--- Comment #1 from Dave Simmonds <david.simmonds at igmarkets dot com> 2012-12-11 16:19:09 UTC ---
(gdb) print g_epicmap->m_Map
$1 = Traceback (most recent call last):
  File "/usr/share/gdb/python/libstdcxx/v6/printers.py", line 536, in to_string
    return '%s with %d elements' % (self.typename,
self.val['_M_element_count'])
RuntimeError: There is no member or method named _M_element_count.
Traceback (most recent call last):
  File "/usr/share/gdb/python/libstdcxx/v6/printers.py", line 555, in children
    data = self.flatten (itertools.imap (self.format_one, Tr1HashtableIterator
(self.val)))
  File "/usr/share/gdb/python/libstdcxx/v6/printers.py", line 477, in __init__
    self.n_buckets = hash['_M_element_count']
RuntimeError: There is no member or method named _M_element_count.

(gdb) print /r g_epicmap->m_Map
$2 = {
  <std::tr1::hashtable<char const*, std::pair<char const* const,
boost::shared_ptr<CEpicRecord> >, std::allocator<std::pair<char const* const,
boost::shared_ptr<CEpicRecord> > >, Internal::extract1st<std::pair<char const*
const, boost::shared_ptr<CEpicRecord> > >, _ConstCharPtrCmp, _ConstCharHash,
Internal::mod_range_hashing, Internal::default_ranged_hash,
Internal::prime_rehash_policy, false, false, true>> = {
    <Internal::rehash_base<Internal::prime_rehash_policy,
std::tr1::hashtable<char const*, std::pair<char const* const,
boost::shared_ptr<CEpicRecord> >, std::allocator<std::pair<char const* const,
boost::shared_ptr<CEpicRecord> > >, Internal::extract1st<std::pair<char const*
const, boost::shared_ptr<CEpicRecord> > >, _ConstCharPtrCmp, _ConstCharHash,
Internal::mod_range_hashing, Internal::default_ranged_hash,
Internal::prime_rehash_policy, false, false, true> >> = {<No data fields>},
    <Internal::hash_code_base<char const*, std::pair<char const* const,
boost::shared_ptr<CEpicRecord> >, Internal::extract1st<std::pair<char const*
const, boost::shared_ptr<CEpicRecord> > >, _ConstCharPtrCmp, _ConstCharHash,
Internal::mod_range_hashing, Internal::default_ranged_hash, false>> = {
      m_extract = {<No data fields>},
      m_eq = {<No data fields>},
      m_h1 = {<No data fields>},
      m_h2 = {<No data fields>}
    },
    <Internal::map_base<char const*, std::pair<char const* const,
boost::shared_ptr<CEpicRecord> >, Internal::extract1st<std::pair<char const*
const, boost::shared_ptr<CEpicRecord> > >, true, std::tr1::hashtable<char
const*, std::pair<char const* const, boost::shared_ptr<CEpicRecord> >,
std::allocator<std::pair<char const* const, boost::shared_ptr<CEpicRecord> > >,
Internal::extract1st<std::pair<char const* const,
boost::shared_ptr<CEpicRecord> > >, _ConstCharPtrCmp, _ConstCharHash,
Internal::mod_range_hashing, Internal::default_ranged_hash,
Internal::prime_rehash_policy, false, false, true> >> = {<No data fields>},
    members of std::tr1::hashtable<char const*, std::pair<char const* const,
boost::shared_ptr<CEpicRecord> >, std::allocator<std::pair<char const* const,
boost::shared_ptr<CEpicRecord> > >, Internal::extract1st<std::pair<char const*
const, boost::shared_ptr<CEpicRecord> > >, _ConstCharPtrCmp, _ConstCharHash,
Internal::mod_range_hashing, Internal::default_ranged_hash,
Internal::prime_rehash_policy, false, false, true>:
    m_node_allocator = {
      <__gnu_cxx::new_allocator<Internal::hash_node<std::pair<char const*
const, boost::shared_ptr<CEpicRecord> >, false> >> = {<No data fields>}, <No
data fields>},
    m_buckets = 0x2aaaaaaac010,
    m_bucket_count = 92203,
    m_element_count = 69182,
    m_rehash_policy = {
      m_max_load_factor = 1,
      m_growth_factor = 2,
      m_next_resize = 92203
    }
  }, <No data fields>}