rust/src/test/run-pass/issues/issue-39292.rs
2018-12-25 21:08:33 -07:00

18 lines
339 B
Rust

// run-pass
// Regression test for issue #39292. The object vtable was being
// incorrectly left with a null pointer.
trait Foo<T> {
fn print<'a>(&'a self) where T: 'a { println!("foo"); }
}
impl<'a> Foo<&'a ()> for () { }
trait Bar: for<'a> Foo<&'a ()> { }
impl Bar for () {}
fn main() {
(&() as &Bar).print(); // Segfault
}