bash auto complete malloc 'assertion botched' error

[Fletcher Johnson]

Configuration Information [Automatically generated, do not change]:
Machine: i486
OS: linux-gnu
Compiler: gcc
Compilation CFLAGS:  -DPROGRAM='bash' -DCONF_HOSTTYPE='i486'
-DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='i486-pc-linux-gnu'
-DCONF_VENDOR='pc' -DLOCALEDIR='/usr/share/locale' -DPACKAGE='bash'
-DSHELL -DHAVE_CONFIG_H   -I.
-I../bash -I../bash/include -I../bash/lib   -g -O2 -Wall
uname output: Linux kiwi 2.6.31-22-generic #65-Ubuntu SMP Thu Sep 16
15:48:58 UTC 2010 i686 GNU/Linux
Machine Type: i486-pc-linux-gnu

Bash Version: 4.0
Patch Level: 33
Release Status: release

Description:
        Typing the following in the shell produces...

        fletcher@kiwi:~$ cd '\
        malloc: unknown:0: assertion botched
        free: start and end chunk sizes differ
        Aborting...

Repeat-By: typing cd '\ or ls "\ will reproduce the above bug