toplevel out of sync

[Paolo Bonzini]

> I've built binutils+gdb with it on x86_64-unknown-linux-gnu.
> OK to commit to src as one patch?

Please wait 48 hours for binutils/gdb maintainers to comment.

However, only the stdint change should be relevant for them, so feel
free to commit the others if you prefer.

> As another issue, config.{guess,sub} have been updated in GCC in the
> mean time.

Yes, this was the final straw that convinced me to write about the issue. :-)

Paolo