octave segfault under AIX/shared

[G..]

It follows the gdb output (dbx seems to be broken):

----------------------
GNU gdb 6.7.1
Copyright (C) 2007 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 "powerpc-ibm-aix5.3.0.0"...
(gdb) run
Starting program: /usr/local/octave-2.9.17/src/octave 

Program received signal SIGSEGV, Segmentation fault.
0xdf9760f0 in std::string::find (this=<incomplete type>, __c=114 'r',
__pos=<incomplete type>)
   from
/usr/local/bin/../lib/gcc/powerpc-ibm-aix5.3.0.0/4.1.1/../../../libstdc++.a(libstdc++.so.6)
(gdb) where
#0  0xdf9760f0 in std::string::find (this=<incomplete type>, __c=114 'r',
__pos=<incomplete type>)
   from
/usr/local/bin/../lib/gcc/powerpc-ibm-aix5.3.0.0/4.1.1/../../../libstdc++.a(libstdc++.so.6)
#1  0x21ad23b4 in file_ops::is_dir_sep (c=114 'r') at file-ops.cc:857
#2  0x208c8428 in default_history_file () at oct-hist.cc:96
#3  0x208c8e38 in __static_initialization_and_destruction_0
(__initialize_p=1, __priority=65535) at oct-hist.cc:170
#4  0x208c8f90 in global constructors keyed to input_from_tmp_history_file
() at oct-hist.cc:751
#5  0x210f4138 in _GLOBAL__FI_liboctinterp_a () from
/work/gbuerger/octave-2.9.17/src/liboctinterp.a
#6  0xd039657c in mod_init1 () from /usr/lib/libc.a(shr.o)
#7  0xd0396460 in __modinit () from /usr/lib/libc.a(shr.o)
#8  0x100001ac in __start ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
----------------------

G.

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