[Bug bootstrap/59496] [4.9 Regression] Bootstrap fails on powerpc-apple-darwin9 after r205685

[iains at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59496

--- Comment #3 from Iain Sandoe <iains at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #2)
> darwin should simply add a dummy use of field, like via ((field), (...))

well, I thought of doing that, but it seems a kludge - is the target obliged to
use the macro values?