diff options
Diffstat (limited to 'tests/ui/async-await/issue-60709.rs')
-rw-r--r-- | tests/ui/async-await/issue-60709.rs | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/tests/ui/async-await/issue-60709.rs b/tests/ui/async-await/issue-60709.rs new file mode 100644 index 000000000..61f6ed1b7 --- /dev/null +++ b/tests/ui/async-await/issue-60709.rs @@ -0,0 +1,28 @@ +// This used to compile the future down to ud2, due to uninhabited types being +// handled incorrectly in generators. +// compile-flags: -Copt-level=z -Cdebuginfo=2 --edition=2018 + +// run-pass +// ignore-asmjs wasm2js does not support source maps yet + +use std::future::Future; +use std::task::Poll; +use std::task::Context; +use std::pin::Pin; +use std::rc::Rc; + +struct Never(); +impl Future for Never { + type Output = (); + fn poll(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<Self::Output> { + Poll::Pending + } +} + +fn main() { + let fut = async { + let _rc = Rc::new(()); // Also crashes with Arc + Never().await; + }; + let _bla = fut; // Moving the future is required. +} |