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

[nicholas.ormrod at hotmail dot com]

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

--- Comment #2 from Nicholas <nicholas.ormrod at hotmail dot com> ---
Created attachment 32504
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32504&action=edit
Repro header