{"ast_node_type":"function","tokens":[{"end":37,"kind":"keyword","start":0,"text":"fn"}]}
fn build_dyn_type_di_node<'ll, 'tcx>(
/// we with the correct type name (e.g. "dyn SomeTrait<Foo, Item=u32> + Sync").
    cx: &CodegenCx<'ll, 'tcx>,