{"ast_node_type":"variable","tokens":[{"end":36,"kind":"keyword","start":0,"text":"let"}]}
        let (span, _hir_id) = loc();
    if abi.conv == CanonAbi::X86(X86Call::Vectorcall) && !have_feature(sym::sse2) {
        tcx.dcx().emit_err(errors::AbiRequiredTargetFeature {