https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108834
Bug ID: 108834 Summary: LTO: ltrans temporary file is used as module name in ASAN Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: sanitizer Assignee: unassigned at gcc dot gnu.org Reporter: marxin at gcc dot gnu.org CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org, jakub at gcc dot gnu.org, kcc at gcc dot gnu.org, marxin at gcc dot gnu.org Target Milestone: --- We originally noticed that accidentally in openSUSE bugzilla: https://bugzilla.opensuse.org/show_bug.cgi?id=1208386 $ cat jhead.i int foo; $ gcc -flto -fsanitize=address jhead.i -shared -fPIC -o jhead && md5sum jhead 4e0fb88f928272b4962c6dcd8b845d71 jhead $ gcc -flto -fsanitize=address jhead.i -shared -fPIC -o jhead && md5sum jhead e3c77e7ce9d54afb812add5b87a254d1 jhead $ strings jhead | grep ltrans /tmp/ccIzP3oh.ltrans0.o it comes from ASAN module name: ... .LC2: .string "./jhead.ltrans0.o" .section .data.rel,"aw" .align 32 .type .LASAN0.2, @object .size .LASAN0.2, 64 .LASAN0.2: .quad .LASAN1.0 .quad 4 .quad 64 .quad .LC1 .quad .LC2 which is main_input_filename: gcc/asan.cc:3290 Anyway, I can fix it.