syntax_data: {"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// to avoid an inconsistent state we also forbid them here.
context_before:     /// stable options. That separate check doesn't handle boolean values, so
context_after:     #[rustc_lint_opt_deny_field_access("use `Session::unstable_options` instead of this field")]