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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-30 18:31:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-30 18:31:44 +0000 |
commit | c23a457e72abe608715ac76f076f47dc42af07a5 (patch) | |
tree | 2772049aaf84b5c9d0ed12ec8d86812f7a7904b6 /tests/ui/dropck/coroutine-liveness-2.rs | |
parent | Releasing progress-linux version 1.73.0+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-c23a457e72abe608715ac76f076f47dc42af07a5.tar.xz rustc-c23a457e72abe608715ac76f076f47dc42af07a5.zip |
Merging upstream version 1.74.1+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/dropck/coroutine-liveness-2.rs')
-rw-r--r-- | tests/ui/dropck/coroutine-liveness-2.rs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tests/ui/dropck/coroutine-liveness-2.rs b/tests/ui/dropck/coroutine-liveness-2.rs new file mode 100644 index 000000000..416a073c6 --- /dev/null +++ b/tests/ui/dropck/coroutine-liveness-2.rs @@ -0,0 +1,23 @@ +// check-pass +// edition: 2021 + +// regression test found while working on #117134. +use std::future; + +fn main() { + let mut recv = future::ready(()); + let _combined_fut = async { + let _ = || read(&mut recv); + }; + + let _uwu = (String::new(), _combined_fut); + // Dropping a coroutine as part of a more complex + // types should not add unnecessary liveness + // constraints. + + drop(recv); +} + +fn read<F: future::Future>(_: &mut F) -> F::Output { + todo!() +} |