[Bug preprocessor/15638] gcc should have option to treat missing headers as fatal

[eving.tw at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15638

Lucia Huang <eving.tw at gmail dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |eving.tw at gmail dot com

--- Comment #17 from Lucia Huang <eving.tw at gmail dot com> ---
Hi, 
Is there an option to revert this change?  To generate an error or warning for
a missing header?  Thanks.