{"ast_node_type":"variable","tokens":[{"end":80,"kind":"keyword","start":0,"text":"let"}]}
        let inner_val: Immediate<_> = match (**self, self.layout.backend_repr) {
        // codegen does as good as we can (see `extract_field` in `rustc_codegen_ssa/src/mir/operand.rs`).
            // If the entire value is uninit, then so is the field (can happen in ConstProp).