syntax_data: {"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"last_lint:"}]}
source_snippet:                                         last_lint: &mut _| {
context_before:             let report_overlap_error = |overlap: traits::coherence::OverlapResult<'tcx>,
context_after:                 // Found overlap, but no specialization; error out or report future-compat warning.