1 files changed, 18 insertions, 0 deletions
diff --git a/src/test/ui/const-generics/generic_const_exprs/abstract-const-as-cast-1.rs b/src/test/ui/const-generics/generic_const_exprs/abstract-const-as-cast-1.rs
new file mode 100644
index 000000000..06f00de13
--- /dev/null
+++ b/src/test/ui/const-generics/generic_const_exprs/abstract-const-as-cast-1.rs
@@ -0,0 +1,18 @@
+// check-pass
+#![feature(generic_const_exprs)]
+#![allow(incomplete_features)]
+
+struct Foo<const N: u8>([u8; N as usize])
+where
+    [(); N as usize]:;
+
+struct Bar<const N: u8>([u8; (N + 2) as usize]) where [(); (N + 2) as usize]:;
+
+// unifying with subtrees
+struct Evaluatable<const N: u16>;
+fn foo<const N: u8>() where Evaluatable<{N as usize as u16 }>: {
+    let _ = Foo::<N>([1; N as usize]);
+}
+
+
+fn main() {}