https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112589
Bug ID: 112589 Summary: man gcc does not specify the default behavior of -fcf-protection when used without arguments Product: gcc Version: 13.2.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: other Assignee: unassigned at gcc dot gnu.org Reporter: ago at gentoo dot org Target Milestone: --- man gcc says: -fcf-protection=[full|branch|return|none|check] However, at runtime, you can use -fcf-protection without any arguments, but the manual does not specify what is the default behavior in case of missing argument.