syntax_data: {"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"sess.dcx().emit_warn(errors::EmbedSourceRequiresDebugInfo);"}]}
source_snippet:             sess.dcx().emit_warn(errors::EmbedSourceRequiresDebugInfo);
context_before:         if sess.opts.debuginfo == DebugInfo::None {
context_after:         }