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// run-pass
#![allow(dead_code)]
#![allow(unused_variables)]
#![recursion_limit = "128"]
// this used to cause exponential code-size blowup during LLVM passes.
#![feature(test)]
extern crate test;
struct MayUnwind;
impl Drop for MayUnwind {
fn drop(&mut self) {
if test::black_box(false) {
panic!()
}
}
}
struct DS<U> {
may_unwind: MayUnwind,
name: String,
next: U,
}
fn add<U>(ds: DS<U>, name: String) -> DS<DS<U>> {
DS {
may_unwind: MayUnwind,
name: "?".to_owned(),
next: ds,
}
}
fn main() {
let deserializers = DS { may_unwind: MayUnwind, name: "?".to_owned(), next: () };
let deserializers = add(deserializers, "?".to_owned());
let deserializers = add(deserializers, "?".to_owned());
let deserializers = add(deserializers, "?".to_owned());
let deserializers = add(deserializers, "?".to_owned());
let deserializers = add(deserializers, "?".to_owned());
let deserializers = add(deserializers, "?".to_owned());
let deserializers = add(deserializers, "?".to_owned()); // 0.7s
let deserializers = add(deserializers, "?".to_owned()); // 1.3s
let deserializers = add(deserializers, "?".to_owned()); // 2.4s
let deserializers = add(deserializers, "?".to_owned()); // 6.7s
let deserializers = add(deserializers, "?".to_owned()); // 26.0s
let deserializers = add(deserializers, "?".to_owned()); // 114.0s
let deserializers = add(deserializers, "?".to_owned()); // 228.0s
let deserializers = add(deserializers, "?".to_owned()); // 400.0s
let deserializers = add(deserializers, "?".to_owned()); // 800.0s
let deserializers = add(deserializers, "?".to_owned()); // 1600.0s
let deserializers = add(deserializers, "?".to_owned()); // 3200.0s
}
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