syntax_data: {"ast_node_type":"import","tokens":[{"end":97,"kind":"keyword","start":0,"text":"#[rustc_lint_opt_deny_field_access(\"use"}]}
source_snippet:         #[rustc_lint_opt_deny_field_access("use `Session::codegen_units` instead of this field")]
context_before:         /// if we otherwise use the defaults of rustc.
context_after:         cli_forced_codegen_units: Option<usize> [UNTRACKED],