[Bug driver/31316] driver specifies output file twice when compiling header with -S

[mingjie.xing at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31316

Mingjie Xing <mingjie.xing at gmail dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |mingjie.xing at gmail dot com

--- Comment #3 from Mingjie Xing <mingjie.xing at gmail dot com> ---
This is caused due to "!fdump-ada-spec*:-o %g.s" in "@c-header" specs.