https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92253
Bug ID: 92253 Summary: [10 Regression] 25% regression in 465.tonto with LTO Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: ipa Assignee: unassigned at gcc dot gnu.org Reporter: rguenth at gcc dot gnu.org CC: marxin at gcc dot gnu.org Target Milestone: --- Between r277365 (good) and r277433 (bad) czerny observes a big regression for 465.tonto, but only with -flto (-Ofast -march=haswell otherwise). Suspicious revs include the IPA reference refactoring in r277403.