integer addition crash

[Cédric Martínez Campos]

Configuration Information [Automatically generated, do not change]:
Machine: x86_64
OS: linux-gnu
Compiler: gcc
Compilation CFLAGS:  -DPROGRAM='bash' -DCONF_HOSTTYPE='x86_64'
-DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='x86_64-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 Asus-M50Vc 2.6.35-28-generic #50-Ubuntu SMP Fri
Mar 18 18:42:20 UTC 2011 x86_64 GNU/Linux
Machine Type: x86_64-pc-linux-gnu

Bash Version: 4.1
Patch Level: 5
Release Status: release

Description:
        The integer addition $(($x+$y)) crashes if $x==08 or $x==09 (with a 
leading 0).

Repeat-By:
        $ echo $((8+1))
        9
        $ echo $((9+1))
        10
        $ echo $((08+1))
        bash: 08: too big element for the base (the error element is "08")
[translated from spanish]
        $ echo $((09+1))
        bash: 09: too big element for the base (the error element is "09")
[translated from spanish]
        $ for i in {6..12}; do echo $(($i+1)); done
        7
        8
        9
        10
        11
        12
        13
        $ for i in {06..12}; do echo $(($i+1)); done
        7
        8
        bash: 08: too big element for the base (the error element is "08")
[translated from spanish]
        $ for i in {10..12}; do echo $(($i+1)); done
        11
        12
        13