[tex-k] luatex font bug: "checksum mismatch" warnings on 64bit system

[Karl Berry]

Hi Igor,

        checksum mismatch in local font cmb10 (-770990554 != -770990554)

This is complaining that a number is not equal to itself, clearly a
representation problem as you describe.  I think you should report it,
with your analysis, on tracker.luatex.org.  Perhaps it is already fixed
in the current code.  The LuaTeX maintainers do not follow tex-k.  -k