[Bug driver/47678] [4.6 regression] missing error message for -I

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47678

Richard Guenther <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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          Component|c                           |driver
   Target Milestone|---                         |4.6.0