It should produce files -.i and -.s, or better gccdump.i and gccdump.s. However, it fails with this error:
cc1: error: unrecognized command line option "-.i" -- Summary: "gcc -x c - -save-temps" does not work Product: gcc Version: 4.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: driver AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: bonzini at gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34479