syntax_data: {"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"sess.dcx().emit_err(errors::InstrumentationNotSupported"}]}
source_snippet:         sess.dcx().emit_err(errors::InstrumentationNotSupported { us: "XRay".to_string() });
context_before:     if sess.opts.unstable_opts.instrument_xray.is_some() && !sess.target.options.supports_xray {
context_after:     }