https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105564
Bug ID: 105564 Summary: Bad error for -ftrivial-auto-var-init without a choice argument Product: gcc Version: 12.1.1 Status: UNCONFIRMED Keywords: diagnostic Severity: normal Priority: P3 Component: driver Assignee: unassigned at gcc dot gnu.org Reporter: redi at gcc dot gnu.org Target Milestone: --- If you try to use the -ftrivial-auto-var-init option without an argument you get a really unhelpful error: g++: error: unrecognized command-line option '-ftrivial-auto-var-init'; did you mean '-Wtrivial-auto-var-init'? It should tell you the use one of the zero/pattern/uninitialized arguments.