Move test #93775 to crashes

Author: dianqk

src/tools/tidy/src/issues.txt

@@ -44,7 +44,6 @@ ui/associated-consts/issue-58022.rs
 ui/associated-consts/issue-63496.rs
 ui/associated-consts/issue-69020-assoc-const-arith-overflow.rs
 ui/associated-consts/issue-88599-ref-self.rs
-ui/associated-consts/issue-93775.rs
 ui/associated-consts/issue-93835.rs
 ui/associated-inherent-types/issue-104260.rs
 ui/associated-inherent-types/issue-109071.rs

tests/crashes/recursive-print-issue-93775.rs

@@ -0,0 +1,38 @@
+//! This test case is modified from <https://github.com/rust-lang/rust/issues/93775>.
+//! The type printing involves recursive calls that lead to stack overflow.
+//! If it no longer crashes, please increase the nested type levels
+//! unless you are fixing this issue.
+//@ known-bug: #93775
+
+#![recursion_limit = "2049"]
+
+use std::marker::PhantomData;
+
+struct Z;
+struct S<T>(PhantomData<T>);
+
+type Nested4<T> = S<S<S<S<T>>>>;
+type Nested16<T> = Nested4<Nested4<Nested4<Nested4<T>>>>;
+type Nested64<T> = Nested16<Nested16<Nested16<Nested16<T>>>>;
+type Nested256<T> = Nested64<Nested64<Nested64<Nested64<T>>>>;
+type Nested1024<T> = Nested256<Nested256<Nested256<Nested256<T>>>>;
+type Nested4096<T> = Nested1024<Nested1024<Nested1024<Nested1024<T>>>>;
+type Nested16384<T> = Nested4096<Nested4096<Nested4096<Nested4096<T>>>>;
+
+type Nested = Nested16384<Z>;
+
+trait AsNum {
+    const NUM: u32;
+}
+
+impl AsNum for Z {
+    const NUM: u32 = 0;
+}
+
+impl<T: AsNum> AsNum for S<T> {
+    const NUM: u32 = T::NUM + 1;
+}
+
+fn main() {
+    let _ = Nested::NUM;
+}