https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98162
Bug ID: 98162 Summary: Documentation mentions non-existent option -mcet Product: gcc Version: 10.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: driver Assignee: unassigned at gcc dot gnu.org Reporter: bruno at clisp dot org Target Milestone: --- The documentation page https://gcc.gnu.org/onlinedocs/gcc/x86-Built-in-Functions.html mentions "The following built-in functions are available when -mcet or -mshstk option is used." But an option '-mcet' is not documented (see https://gcc.gnu.org/onlinedocs/gcc/Option-Index.html) and not implemented either: $ gcc -S -O2 a.c -mcet -fcf-protection gcc: error: unrecognized command-line option '-mcet'