$ touch test.c $ ./cc1 -quiet -O2 -fdump-rtl-cse2 -o /dev/null test.c cc1: warning: ignoring unknown option ‘2’ in ‘-fdump-rtl-cse’ $
-- Summary: -fdump-tree-cse2 does not work as documented Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P2 Component: rtl-optimization AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: kazu at cs dot umass dot edu CC: gcc-bugs at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19717