http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30162
--- Comment #34 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2012-12-22 12:02:52 UTC --- I still see status from open is 0 status from open is 0 At line 7 of file pr30162_1.f (unit = 20, file = 'np') Fortran runtime error: Illegal seek [1] Exit 2 a.exe At line 8 of file pr30162_2.f (unit = 21, file = 'np') Fortran runtime error: I/O past end of record on unformatted file on x86_64-apple-darwin10 r194681.