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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-30 18:31:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-30 18:31:44 +0000
commitc23a457e72abe608715ac76f076f47dc42af07a5 (patch)
tree2772049aaf84b5c9d0ed12ec8d86812f7a7904b6 /tests/ui/async-await/in-trait/indirect-recursion-issue-112047.rs
parentReleasing progress-linux version 1.73.0+dfsg1-1~progress7.99u1. (diff)
downloadrustc-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/async-await/in-trait/indirect-recursion-issue-112047.rs')
-rw-r--r--tests/ui/async-await/in-trait/indirect-recursion-issue-112047.rs38
1 files changed, 38 insertions, 0 deletions
diff --git a/tests/ui/async-await/in-trait/indirect-recursion-issue-112047.rs b/tests/ui/async-await/in-trait/indirect-recursion-issue-112047.rs
new file mode 100644
index 000000000..2fe6b473d
--- /dev/null
+++ b/tests/ui/async-await/in-trait/indirect-recursion-issue-112047.rs
@@ -0,0 +1,38 @@
+// edition: 2021
+// build-fail
+//~^^ ERROR cycle detected when computing layout of
+
+#![feature(async_fn_in_trait)]
+
+fn main() {
+ let _ = async {
+ A.first().await.second().await;
+ };
+}
+
+pub trait First {
+ type Second: Second;
+ async fn first(self) -> Self::Second;
+}
+
+struct A;
+
+impl First for A {
+ type Second = A;
+ async fn first(self) -> Self::Second {
+ A
+ }
+}
+
+pub trait Second {
+ async fn second(self);
+}
+
+impl<C> Second for C
+where
+ C: First,
+{
+ async fn second(self) {
+ self.first().await.second().await;
+ }
+}