syntax_data: {"ast_node_type":"other","tokens":[{"end":52,"kind":"keyword","start":0,"text":"#[allow(rustc::diagnostic_outside_of_impl)]"}]}
source_snippet: #[allow(rustc::diagnostic_outside_of_impl)] // FIXME
context_before: /// `add_feature_diagnostics`.
context_after: pub fn add_feature_diagnostics_for_issue<G: EmissionGuarantee>(