$ gcc -flto -fuse-linker-plugin something.c $ ls /tmp ccMec0Js.lto.o
-- Summary: GCC leaves a temporary LTO output file in $TMPDIR Product: gcc Version: 4.5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: other AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: d dot g dot gorbachev at gmail dot com http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43336