1 // Copyright 2017 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // this used to cause exponential code-size blowup during LLVM passes.
19 impl Drop for MayUnwind {
21 if test::black_box(false) {
28 may_unwind: MayUnwind,
33 fn add<U>(ds: DS<U>, name: String) -> DS<DS<U>> {
35 may_unwind: MayUnwind,
42 let deserializers = DS { may_unwind: MayUnwind, name: "?".to_owned(), next: () };
43 let deserializers = add(deserializers, "?".to_owned());
44 let deserializers = add(deserializers, "?".to_owned());
45 let deserializers = add(deserializers, "?".to_owned());
46 let deserializers = add(deserializers, "?".to_owned());
47 let deserializers = add(deserializers, "?".to_owned());
48 let deserializers = add(deserializers, "?".to_owned());
49 let deserializers = add(deserializers, "?".to_owned()); // 0.7s
50 let deserializers = add(deserializers, "?".to_owned()); // 1.3s
51 let deserializers = add(deserializers, "?".to_owned()); // 2.4s
52 let deserializers = add(deserializers, "?".to_owned()); // 6.7s
53 let deserializers = add(deserializers, "?".to_owned()); // 26.0s
54 let deserializers = add(deserializers, "?".to_owned()); // 114.0s
55 let deserializers = add(deserializers, "?".to_owned()); // 228.0s
56 let deserializers = add(deserializers, "?".to_owned()); // 400.0s
57 let deserializers = add(deserializers, "?".to_owned()); // 800.0s
58 let deserializers = add(deserializers, "?".to_owned()); // 1600.0s
59 let deserializers = add(deserializers, "?".to_owned()); // 3200.0s