syntax_data: {"ast_node_type":"other","tokens":[{"end":47,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:             if ret.layout.fields.count() == 1 {
context_before:         if let FieldsShape::Arbitrary { .. } = ret.layout.fields {
context_after:                 if let Some(reg) = float_reg(cx, ret, 0) {