{"ast_node_type":"other","tokens":[{"end":90,"kind":"keyword","start":0,"text":"|"}]}
                | (&mir::Operand::Constant(_), Ref(PlaceValue { llextra: None, .. })) => {
                (&mir::Operand::Copy(_), Ref(PlaceValue { llextra: None, .. }))
                    let tmp = PlaceRef::alloca(bx, op.layout);