Shift-Enter locks up bash-2.05b

[dcj-dated-1028471831 . fhljbngn]

Configuration Information [Automatically generated, do not change]:
Machine: i386
OS: freebsd4.6.1
Compiler: cc
Compilation CFLAGS:  -DPROGRAM='bash' -DCONF_HOSTTYPE='i386' 
-DCONF_OSTYPE='freebsd4.6.1' -DCONF_MACHTYPE='i386-portbld-freebsd4.6.1' 
-DCONF_VENDOR='portbld' -DSHELL  -DHAVE_CONFIG_H  -I.  -I. -I./include -I./lib  
-O -pipe
uname output: FreeBSD norton.palomine.net 4.6.1-RELEASE-p7 FreeBSD 
4.6.1-RELEASE-p7 #0: Fri Aug  2 10:08:14 EDT 2002     
cjohnson@norton.palomine.net:/usr/obj/usr/src/sys/NORTON  i386
Machine Type: i386-portbld-freebsd4.6.1

Bash Version: 2.05b
Patch Level: 0
Release Status: release

Description:
        Simply typing Shift-Enter in bash-2.05b causes it to enter some kind of 
CPU-consuming
        loop. A kill -9 from another terminal is required to end it.

Repeat-By:
        Type Shift-Enter