Paste: Factor bootstrap fails on OSX x86-32

$ ./factor -i=boot.x86.32.image
You have triggered a bug in Factor. Please report.
critical_error: Invalid header 1040338
Starting low level debugger...
  Basic commands:
q                -- continue executing Factor - NOT SAFE
im               -- save image to fep.image
x                -- exit Factor
  Advanced commands:
d <addr> <count> -- dump memory
u <addr>         -- dump object at tagged <addr>
. <addr>         -- print object at tagged <addr>
s r              -- dump data, retain stacks
.s .r .c         -- print data, retain, call stacks
e                -- dump environment
g                -- dump generations
card <addr>      -- print card containing address
addr <card>      -- print address containing card
data             -- data heap dump
words            -- words dump
tuples           -- tuples dump
refs <addr>      -- find data heap references to object
push <addr>      -- push object on data stack - NOT SAFE
code             -- code heap dump
READY
^C

$ git log | head
commit d8345b5eda090cc5abef7b94e4d4e9388a928764
Author: Slava Pestov <slava@slava-pestovs-macbook-pro.local>
Date:   Tue Nov 4 06:07:19 2008 -0600

    Update PPC non-optimizing compiler backend: there are three new sub-primitives to support