diff options
Diffstat (limited to '')
-rw-r--r-- | src/test/ui/issues/issue-14399.rs | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/test/ui/issues/issue-14399.rs b/src/test/ui/issues/issue-14399.rs new file mode 100644 index 000000000..6bf8a5899 --- /dev/null +++ b/src/test/ui/issues/issue-14399.rs @@ -0,0 +1,20 @@ +// run-pass +// #14399 +// We'd previously ICE if we had a method call whose return +// value was coerced to a trait object. (v.clone() returns Box<B1> +// which is coerced to Box<A>). + +// pretty-expanded FIXME #23616 + +#![feature(box_syntax)] + +#[derive(Clone)] +struct B1; + +trait A { fn foo(&self) {} } +impl A for B1 {} + +fn main() { + let v: Box<_> = box B1; + let _c: Box<dyn A> = v.clone(); +} |