{"ast_node_type":"variable","tokens":[{"end":92,"kind":"keyword","start":0,"text":"let"}]}
    let backend_path = std::path::absolute("target/debug/librustc_codegen_gcc.so").unwrap();
    // We will use the *debug* build of the backend - it has more checks enabled.
    let backend_arg = format!("--add-rustc-codegen-backend=cg_gcc:{}", backend_path.display());