syntax_data: {"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"link_dead_code:"}]}
source_snippet:     link_dead_code: Option<bool> = (None, parse_opt_bool, [TRACKED],
context_before:     #[rustc_lint_opt_deny_field_access("use `Session::link_dead_code` instead of this field")]
context_after:         "try to generate and link dead code (default: no)"),