bash doesn't compile when configured with --disable-bang-history

[bug-bash]

Configuration Information [Automatically generated, do not change]:
Machine: i686
OS: linux-gnu
Compiler: gcc
Compilation CFLAGS:  -DPROGRAM='bash' -DCONF_HOSTTYPE='i686' 
-DCONF_OSTYPE='linux-gnu' -DCONF_MACHTYPE='i686-pc-linux-gnu' 
-DCONF_VENDOR='pc' -DLOCALEDIR='/usr/local/share/locale' -DPACKAGE='bash' 
-DSHELL -DHAVE_CONFIG_H  -I.  -I/scratch/bash-3.0 -I/scratch/bash-3.0/include 
-I/scratch/bash-3.0/lib
uname output: Linux noname 2.0.40-rc6 #2 Fri May 9 10:34:15 MSZ 2003 i686 
unknown unknown GNU/Linux
Machine Type: i686-pc-linux-gnu

Bash Version: 3.0
Patch Level: 0
Release Status: release

Description:
  It is not possible to selectively disable the history expansion with
   --disable-bang-history

Repeat-By:
  ./configure --disable-bang-history
  make

Fix:
  Fix the Conditions for BANG_HISTORY in variables.h and variables.c in a
  sensible way