http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51946
--- Comment #2 from Tobias Burnus <burnus at gcc dot gnu.org> 2012-01-22 17:12:12 UTC --- The test case is incomplete: use air_module ,only : air ! puppet for 1st Lorenz eq. and corresonding 1 Fatal Error: Can't open module file 'air_module.mod' for reading at (1): No such file or directory Additionally, please state also the error message if you fill a bug.