From a4b7ed7a42c716ab9f05e351f003d589124fd55d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:18:58 +0200 Subject: Adding upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- tests/ui/mir/issue-105809.rs | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 tests/ui/mir/issue-105809.rs (limited to 'tests/ui/mir/issue-105809.rs') diff --git a/tests/ui/mir/issue-105809.rs b/tests/ui/mir/issue-105809.rs new file mode 100644 index 000000000..57828feef --- /dev/null +++ b/tests/ui/mir/issue-105809.rs @@ -0,0 +1,36 @@ +// Non-regression test ICE from issue #105809 and duplicates. + +// build-pass: the ICE is during codegen +// compile-flags: --edition 2018 -Zmir-opt-level=1 + +use std::{future::Future, pin::Pin}; + +// Create a `T` without affecting analysis like `loop {}`. +fn create() -> T { + loop {} +} + +async fn trivial_future() {} + +struct Connection { + _h: H, +} + +async fn complex_future(conn: &Connection) { + let small_fut = async move { + let _ = conn; + trivial_future().await; + }; + + let mut tuple = (small_fut,); + let (small_fut_again,) = &mut tuple; + let _ = small_fut_again; +} + +fn main() { + let mut fut = complex_future(&Connection { _h: () }); + + let mut cx = create(); + let future = unsafe { Pin::new_unchecked(&mut fut) }; + let _ = future.poll(&mut cx); +} -- cgit v1.2.3