syntax_data: {"ast_node_type":"other","tokens":[{"end":36,"kind":"keyword","start":0,"text":"arg.extend_integer_width_to(32);"}]}
source_snippet:     arg.extend_integer_width_to(32);
context_before:     }
context_after:     if arg.layout.is_aggregate() && !unwrap_trivial_aggregate(cx, arg) {