build failure with current linus tree

[Paul Mackerras]

Chris Friesen writes:

> Is there a proper fix other than simply reverting that commit?

It appears that we have a choice between having CONFIG_FTRACE work
with gcc 4 and not gcc 3 (the current situation), and having
CONFIG_FTRACE work with gcc 3 and not gcc 4 (which is what we would
have if that commit was reverted).

I think more people use gcc 4 than gcc 3 these days, which is why I
haven't reverted that commit.

Paul.