1 files changed, 26 insertions, 0 deletions
diff --git a/src/test/ui/const-generics/generic_const_exprs/eval-try-unify.rs b/src/test/ui/const-generics/generic_const_exprs/eval-try-unify.rs
new file mode 100644
index 000000000..c59d62e57
--- /dev/null
+++ b/src/test/ui/const-generics/generic_const_exprs/eval-try-unify.rs
@@ -0,0 +1,26 @@
+// build-pass
+
+#![feature(generic_const_exprs)]
+//~^ WARNING the feature `generic_const_exprs` is incomplete
+
+trait Generic {
+    const ASSOC: usize;
+}
+
+impl Generic for u8 {
+    const ASSOC: usize = 17;
+}
+impl Generic for u16 {
+    const ASSOC: usize = 13;
+}
+
+
+fn uses_assoc_type<T: Generic, const N: usize>() -> [u8; N + T::ASSOC] {
+    [0; N + T::ASSOC]
+}
+
+fn only_generic_n<const N: usize>() -> [u8; N + 13] {
+    uses_assoc_type::<u16, N>()
+}
+
+fn main() {}