Re: emacs hangs when loading image

[Richard Stallman]

    #0  0x08103e63 in adjust_markers_for_replace (from=106, from_byte=106, 
old_chars=8,
        old_bytes=106, new_chars=0, new_bytes=0) at insdel.c:493
    #1  0x081056f0 in replace_range (from=106, to=114, new=157596715, 
prepare=1, inherit=0,
        markers=1) at insdel.c:1622

The args to adjust_markers_for_replace look wrong.  Specifically,
it is really strange that old_bytes is 106.  8 characters are
not likely to occupy 106 bytes.

Could you look at the code in replace_range and see how it computed
old_bytes?  And in general check those values.