[BUG] gdb crash when "python import gtk"

[Hui Zhu <teawater@gmail.com>]

GNU gdb (GDB) 7.5.50.20120719-cvs
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-unknown-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
(gdb) python import gtk
memory clobbered before allocated block
Aborted (core dumped)

But in 7.4.1 is OK.
./gdb
GNU gdb (GDB) 7.4.1.20120718-cvs
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-unknown-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Setting up the environment for debugging gdb.
No symbol table is loaded.  Use the "file" command.
Make breakpoint pending on future shared library load? (y or [n])
[answered N; input not from terminal]
No symbol table is loaded.  Use the "file" command.
Make breakpoint pending on future shared library load? (y or [n])
[answered N; input not from terminal]
.gdbinit:8: Error in sourced command file:
Argument required (one or more breakpoint numbers).
(gdb) python import gtk


I will spend some time on it but I am not sure I can fix it.
I think this issue is dangerous because we don't know how much other
python modules are affected by this issue.  Wish it can be fixed
before 7.5 release.

Thanks,
Hui