{"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"///"}]}
    /// hash back to an entry in the binary's `__llvm_prf_names` linker section.
    /// symbol name, and `llvm-cov` will exit fatally if it can't resolve that
    pub(crate) pgo_func_name_var_map: RefCell<FxIndexMap<Instance<'tcx>, &'ll llvm::Value>>,