[Bug preprocessor/15220] [3.4/3.5 regression] "gcc -E -MM -MG" reports missing system headers in source directory

[pinskia at gcc dot gnu dot org]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |neil at daikokuya dot co dot
                   |                            |uk
            Summary|[3.4 regression] "gcc -E -MM|[3.4/3.5 regression] "gcc -E
                   |-MG" reports missing system |-MM -MG" reports missing
                   |headers in source directory |system headers in source
                   |                            |directory
   Target Milestone|---                         |3.4.1


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15220