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-rw-r--r--src/test/ui/rfc-2632-const-trait-impl/generic-bound.rs30
1 files changed, 30 insertions, 0 deletions
diff --git a/src/test/ui/rfc-2632-const-trait-impl/generic-bound.rs b/src/test/ui/rfc-2632-const-trait-impl/generic-bound.rs
new file mode 100644
index 000000000..5495b531c
--- /dev/null
+++ b/src/test/ui/rfc-2632-const-trait-impl/generic-bound.rs
@@ -0,0 +1,30 @@
+// run-pass
+
+#![feature(const_trait_impl)]
+
+use std::marker::PhantomData;
+
+struct S<T>(PhantomData<T>);
+
+impl<T> Copy for S<T> {}
+impl<T> Clone for S<T> {
+ fn clone(&self) -> Self {
+ S(PhantomData)
+ }
+}
+
+impl<T> const std::ops::Add for S<T> {
+ type Output = Self;
+
+ fn add(self, _: Self) -> Self {
+ S(std::marker::PhantomData)
+ }
+}
+
+const fn twice<T: std::ops::Add>(arg: S<T>) -> S<T> {
+ arg + arg
+}
+
+fn main() {
+ let _ = twice(S(PhantomData::<i32>));
+}