https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88272
Bug ID: 88272 Summary: warning: iteration 9223372036854775807 invokes undefined behavior Product: gcc Version: 9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: hubicka at gcc dot gnu.org Target Milestone: --- We output quite few warnings "warning: iteration 9223372036854775807 invokes undefined behavior" while building Firefox with LTO. It seems we could silence them since program will never run that long :)