syntax_data: {"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"sess.dcx().emit_err(errors::TargetRequiresUnwindTables);"}]}
source_snippet:             sess.dcx().emit_err(errors::TargetRequiresUnwindTables);
context_before:         if sess.target.requires_uwtable && !include_uwtables {
context_after:         }