[Bug preprocessor/60723] Line directives with incorrect system header flag

[dodji at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60723

Dodji Seketeli <dodji at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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  Attachment #33010|0                           |1
        is obsolete|                            |

--- Comment #17 from Dodji Seketeli <dodji at gcc dot gnu.org> ---
Created attachment 33045
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33045&action=edit
Updated patch that avoid emitting new lines when it's prohibited