{"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":"if"}]}
            if !zst && !val.layout.ty.is_freeze(*self.ecx.tcx, self.ecx.typing_env) {
            let zst = self.ecx.size_and_align_of_val(val)?.is_some_and(|(s, _a)| s.bytes() == 0);
                if !self.in_mutable_memory(val) {