syntax_data: {"ast_node_type":"other","tokens":[{"end":101,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:             // This still uses `PassMode::Pair` for ScalarPair types. That's unlikely to be intended,
context_before:         fn unadjust<'tcx>(arg: &mut ArgAbi<'tcx, Ty<'tcx>>) {
context_after:             // but who knows what breaks if we change this now.