http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58505
--- Comment #1 from John David Anglin <danglin at gcc dot gnu.org> ---
I believe this was fixed on trunk by the following change:
2013-05-22 Matthias Klose <doko@ubuntu.com>
* jvspec.c (jvgenmain_spec): Add %I to cc1 call.