[Bug libstdc++/53477] pretty printer fails with: Python Exception <type 'exceptions.IndexError'> list index out of range

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

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53477

--- Comment #2 from Pawel Sikora <pluto at agmk dot net> 2012-07-16 19:03:27 UTC ---
(In reply to comment #1)
> (Fixed the component)
> 
> I can't reproduce this.
> I can print wordMapBitset before it is initialized but
> I get a different error:
> 
> (gdb) p wordBitsetMap
> $4 = std::map with 140737488349518 elementsCannot access memory at address
> 0x68732f6c61636f7c

in line 15 the wordBitsetMap reference is initialized.

(gdb) p wordBitsetMap
$3 = Python Exception <type 'exceptions.IndexError'> list index out of range:
std::map with 1 elements
         ^^^^^^^^^^^^^^^ this is true.

> What version of gdb are you using?

gdb from git 7.4/master branch.

> Can you do it with stack-printing enabled?
> ("set python print-stack on" in recent versions, somewhere under
> "maint" in older ones.)
> This might help.

(gdb) set python print-stack full
(gdb) p wordBitsetMap
$6 = std::map with 1 elementsTraceback (most recent call last):
  File "/opt/gcc47/share/gcc-4.7.2/python/libstdcxx/v6/printers.py", line 427,
in children
    rep_type = find_type(self.val.type, '_Rep_type')
  File "/opt/gcc47/share/gcc-4.7.2/python/libstdcxx/v6/printers.py", line 43,
in find_type
    field = typ.fields()[0]
IndexError: list index out of range