man core dumps todays build

amd64 system:

server# gdb /usr/bin/man man.core
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
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This GDB was configured as "amd64-marcel-freebsd"...
Core was generated by `man'.
Program terminated with signal 10, Bus error.
Reading symbols from /lib/libz.so.2...done.
Loaded symbols for /lib/libz.so.2
Reading symbols from /lib/libc.so.6...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /libexec/ld-elf.so.1...done.
Loaded symbols for /libexec/ld-elf.so.1
#0  0x00000002007f70c6 in strcmp (
    s1=0x636f6c2f7273752f <Address 0x636f6c2f7273752f out of bounds>,
    s2=0x50d0b1 "usr/share/man") at /usr/src/lib/libc/string/strcmp.c:54
54                              return (0);
(gdb) bt
#0  0x00000002007f70c6 in strcmp (
    s1=0x636f6c2f7273752f <Address 0x636f6c2f7273752f out of bounds>,
    s2=0x50d0b1 "usr/share/man") at /usr/src/lib/libc/string/strcmp.c:54
#1  0x00000000004051de in add_dir_to_list (lp=0x52b1a0,
    dir=0x50d0b0 "/usr/share/man", perrs=0)
    at /usr/src/gnu/usr.bin/man/man/../manpath/manpath.c:535
#2  0x0000000000404f96 in get_manpath (perrs=0,
    path=0x636f6c2f7273752f <Address 0x636f6c2f7273752f out of bounds>)
    at /usr/src/gnu/usr.bin/man/man/../manpath/manpath.c:444
#3  0x0000000000404775 in manpath (perrs=0)
    at /usr/src/gnu/usr.bin/man/man/../manpath/manpath.c:195
#4  0x000000000040220c in man_getopt (argc=1, argv=0x7fffffffec88)
    at /usr/src/gnu/usr.bin/man/man/man.c:479
#5  0x00000000004019cc in main (argc=1, argv=0x7fffffffec88)
    at /usr/src/gnu/usr.bin/man/man/man.c:153