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-rw-r--r--tests/ui/traits/next-solver/ambiguous-impl-in-resolve.rs17
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/traits/next-solver/ambiguous-impl-in-resolve.rs b/tests/ui/traits/next-solver/ambiguous-impl-in-resolve.rs
new file mode 100644
index 00000000000..78dffcbf6ab
--- /dev/null
+++ b/tests/ui/traits/next-solver/ambiguous-impl-in-resolve.rs
@@ -0,0 +1,17 @@
+//@ check-pass
+//@ compile-flags: -Znext-solver
+
+trait Local {}
+
+trait Overlap { fn f(); }
+impl<T> Overlap for Option<T> where Self: Clone, { fn f() {} }
+impl<T> Overlap for Option<T> where Self: Local, { fn f() {} }
+
+fn test<T>()
+where
+    Option<T>: Clone + Local,
+{
+    <Option<T> as Overlap>::f();
+}
+
+fn main() {}