diff options
Diffstat (limited to 'src/test/ui/compile-fail-migration/traits-inductive-overflow-supertrait.rs')
| -rw-r--r-- | src/test/ui/compile-fail-migration/traits-inductive-overflow-supertrait.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/test/ui/compile-fail-migration/traits-inductive-overflow-supertrait.rs b/src/test/ui/compile-fail-migration/traits-inductive-overflow-supertrait.rs new file mode 100644 index 00000000000..c717ae9639f --- /dev/null +++ b/src/test/ui/compile-fail-migration/traits-inductive-overflow-supertrait.rs @@ -0,0 +1,25 @@ +// Copyright 2015 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +// Regression test for #29859, supertrait version. This example +// allowed arbitrary trait bounds to be synthesized. + +trait Magic: Copy {} +impl<T: Magic> Magic for T {} + +fn copy<T: Magic>(x: T) -> (T, T) { (x, x) } + +#[derive(Debug)] +struct NoClone; + +fn main() { + let (a, b) = copy(NoClone); //~ ERROR E0275 + println!("{:?} {:?}", a, b); +} |
