syntax_data: {"ast_node_type":"other","tokens":[{"end":73,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // ELFv1 and AIX only passes one-member aggregates transparently.
context_before:     arg.layout.homogeneous_aggregate(cx).ok().and_then(|ha| ha.unit()).and_then(|unit| {
context_after:         // ELFv2 passes up to eight uniquely addressable members.