https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69656
Bug ID: 69656 Summary: -fsanitize=undefined compile time hog Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: sanitizer Assignee: unassigned at gcc dot gnu.org Reporter: trippels 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 Target Milestone: --- Created attachment 37573 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37573&action=edit testcase The compile time for the attached testcase increases from ~4o sec (-O2) to 3:32 minutes (-O2 -fsanitize=undefined). (clang: from 1 minute to 1:30 minutes)