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| -rw-r--r-- | src/test/run-pass/project-cache-issue-37154.rs | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/test/run-pass/project-cache-issue-37154.rs b/src/test/run-pass/project-cache-issue-37154.rs new file mode 100644 index 00000000000..29dc6984e23 --- /dev/null +++ b/src/test/run-pass/project-cache-issue-37154.rs @@ -0,0 +1,28 @@ +// 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 #37154: the problem here was that the cache +// results in a false error because it was caching skolemized results +// even after those skolemized regions had been popped. + +trait Foo { + fn method(&self) {} +} + +struct Wrapper<T>(T); + +impl<T> Foo for Wrapper<T> where for<'a> &'a T: IntoIterator<Item=&'a ()> {} + +fn f(x: Wrapper<Vec<()>>) { + x.method(); // This works. + x.method(); // error: no method named `method` +} + +fn main() { } |