From 72ca844ca7d9debbb849eb3aa16c5c4df14d1293 Mon Sep 17 00:00:00 2001 From: Taylor Cramer Date: Wed, 26 Jun 2019 10:23:27 -0700 Subject: [PATCH] Add regression test for MIR drop generation in async loops Fixes #61986. --- src/test/ui/async-await/issues/issue-61986.rs | 21 +++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 src/test/ui/async-await/issues/issue-61986.rs diff --git a/src/test/ui/async-await/issues/issue-61986.rs b/src/test/ui/async-await/issues/issue-61986.rs new file mode 100644 index 00000000000..da8b22bc104 --- /dev/null +++ b/src/test/ui/async-await/issues/issue-61986.rs @@ -0,0 +1,21 @@ +// compile-pass +// edition:2018 +// +// Tests that we properly handle StorageDead/StorageLives for temporaries +// created in async loop bodies. + +#![feature(async_await)] + +async fn bar() -> Option<()> { + Some(()) +} + +async fn listen() { + while let Some(_) = bar().await { + String::new(); + } +} + +fn main() { + listen(); +} -- 2.44.0