To reproduce the bug, [ rename temporarily the lto-wrapper program ] $ gcc -fuse-linker-plugin something.c Segmentation fault
-- Summary: Driver crashes dereferencing a null pointer if it can't find lto-wrapper Product: gcc Version: 4.5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: driver 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=43335