Function rustc_mir_build::thir::pattern::usefulness::lint_non_exhaustive_omitted_patterns

fn lint_non_exhaustive_omitted_patterns<'p, 'tcx>(
    cx: &MatchCheckCtxt<'p, 'tcx>,
    scrut_ty: Ty<'tcx>,
    sp: Span,
    hir_id: HirId,
    witnesses: Vec<DeconstructedPat<'p, 'tcx>>
)

Report that a match of a non_exhaustive enum marked with non_exhaustive_omitted_patterns is not exhaustive enough.

NB: The partner lint for structs lives in compiler/rustc_typeck/src/check/pat.rs.