1 files changed, 24 insertions, 0 deletions
diff --git a/src/test/ui/rfc-2632-const-trait-impl/call-generic-method-dup-bound.rs b/src/test/ui/rfc-2632-const-trait-impl/call-generic-method-dup-bound.rs
new file mode 100644
index 00000000000..b39d27779f4
--- /dev/null
+++ b/src/test/ui/rfc-2632-const-trait-impl/call-generic-method-dup-bound.rs
@@ -0,0 +1,24 @@
+// check-pass
+
+#![feature(const_fn)]
+#![feature(const_trait_impl)]
+#![feature(const_trait_bound_opt_out)]
+#![allow(incomplete_features)]
+
+struct S;
+
+impl const PartialEq for S {
+    fn eq(&self, _: &S) -> bool {
+        true
+    }
+}
+
+// This duplicate bound should not result in ambiguities. It should be equivalent to a single const
+// bound.
+const fn equals_self<T: PartialEq + ?const PartialEq>(t: &T) -> bool {
+    *t == *t
+}
+
+pub const EQ: bool = equals_self(&S);
+
+fn main() {}