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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:18:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:18:58 +0000
commita4b7ed7a42c716ab9f05e351f003d589124fd55d (patch)
treeb620cd3f223850b28716e474e80c58059dca5dd4 /tests/ui/issues/issue-56229.rs
parentAdding upstream version 1.67.1+dfsg1. (diff)
downloadrustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.tar.xz
rustc-a4b7ed7a42c716ab9f05e351f003d589124fd55d.zip
Adding upstream version 1.68.2+dfsg1.upstream/1.68.2+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/issues/issue-56229.rs')
-rw-r--r--tests/ui/issues/issue-56229.rs35
1 files changed, 35 insertions, 0 deletions
diff --git a/tests/ui/issues/issue-56229.rs b/tests/ui/issues/issue-56229.rs
new file mode 100644
index 000000000..9e5897b98
--- /dev/null
+++ b/tests/ui/issues/issue-56229.rs
@@ -0,0 +1,35 @@
+// check-pass
+
+trait Mirror {
+ type Other;
+}
+
+#[derive(Debug)]
+struct Even(usize);
+struct Odd;
+
+impl Mirror for Even {
+ type Other = Odd;
+}
+
+impl Mirror for Odd {
+ type Other = Even;
+}
+
+trait Dyn<T: Mirror>: AsRef<<T as Mirror>::Other> {}
+
+impl Dyn<Odd> for Even {}
+
+impl AsRef<Even> for Even {
+ fn as_ref(&self) -> &Even {
+ self
+ }
+}
+
+fn code<T: Mirror>(d: &dyn Dyn<T>) -> &T::Other {
+ d.as_ref()
+}
+
+fn main() {
+ println!("{:?}", code(&Even(22)));
+}