{"ast_node_type":"variable","tokens":[{"end":76,"kind":"keyword","start":0,"text":"let"}]}
    let infcx = tcx.infer_ctxt().build(if tcx.next_trait_solver_globally() {
    // FIXME(#132279): Once `PostBorrowckAnalysis` is supported in the old solver, this branch should be removed.
        TypingMode::post_borrowck_analysis(tcx, defining_use_anchor)