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-rw-r--r--tests/rustdoc/issue-56701.rs33
1 files changed, 33 insertions, 0 deletions
diff --git a/tests/rustdoc/issue-56701.rs b/tests/rustdoc/issue-56701.rs
new file mode 100644
index 000000000..ba00743fc
--- /dev/null
+++ b/tests/rustdoc/issue-56701.rs
@@ -0,0 +1,33 @@
+// This shouldn't cause a stack overflow when rustdoc is run
+
+use std::ops::Deref;
+use std::ops::DerefMut;
+
+pub trait SimpleTrait {
+ type SimpleT;
+}
+
+impl<Inner: SimpleTrait, Outer: Deref<Target = Inner>> SimpleTrait for Outer {
+ type SimpleT = Inner::SimpleT;
+}
+
+pub trait AnotherTrait {
+ type AnotherT;
+}
+
+impl<T, Simple: SimpleTrait<SimpleT = Vec<T>>> AnotherTrait for Simple {
+ type AnotherT = T;
+}
+
+pub struct Unrelated<Inner, UnrelatedT: DerefMut<Target = Vec<Inner>>>(UnrelatedT);
+
+impl<Inner, UnrelatedT: DerefMut<Target = Vec<Inner>>> Deref for Unrelated<Inner, UnrelatedT> {
+ type Target = Vec<Inner>;
+
+ fn deref(&self) -> &Self::Target {
+ &self.0
+ }
+}
+
+
+pub fn main() { }