{"ast_node_type":"other","tokens":[{"end":28,"kind":"keyword","start":0,"text":"llcx:"}]}
    llcx: &'a llvm::Context,
    data: *mut (&'a CodegenContext<LlvmCodegenBackend>, DiagCtxtHandle<'a>),
    old_handler: Option<&'a llvm::DiagnosticHandler>,