{"ast_node_type":"other","tokens":[{"end":69,"kind":"keyword","start":0,"text":"llvm_cov::create_pgo_func_name_var(llfn,"}]}
            llvm_cov::create_pgo_func_name_var(llfn, mangled_fn_name)
            let mangled_fn_name: &str = self.tcx.symbol_name(instance).name;
        })