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-rw-r--r--tests/ui/traits/new-solver/nested-alias-bound.rs20
1 files changed, 20 insertions, 0 deletions
diff --git a/tests/ui/traits/new-solver/nested-alias-bound.rs b/tests/ui/traits/new-solver/nested-alias-bound.rs
new file mode 100644
index 00000000000..c365902dbe5
--- /dev/null
+++ b/tests/ui/traits/new-solver/nested-alias-bound.rs
@@ -0,0 +1,20 @@
+// compile-flags: -Ztrait-solver=next
+// check-pass
+
+trait A {
+ type A: B;
+}
+
+trait B {
+ type B: C;
+}
+
+trait C {}
+
+fn needs_c<T: C>() {}
+
+fn test<T: A>() {
+ needs_c::<<T::A as B>::B>();
+}
+
+fn main() {}