{"ast_node_type":"function","tokens":[{"end":62,"kind":"keyword","start":0,"text":"fn"}]}
fn optimize_use_clone<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>(
// FIXME: Move this function to mir::transform when post-mono MIR passes land.
    cx: &'a Bx::CodegenCx,