http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55399
--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> 2012-11-19 22:54:40 UTC --- This is heavily dependent on the details of system headers - though I did test it for glibc both with and without stdc-predef.h. You'll need to debug it with your particular system header arrangements.
