E-not-needs-test

1 files changed, 32 insertions, 0 deletions

diff --git a/src/test/ui/const-generics/sneaky-array-repeat-expr.rs b/src/test/ui/const-generics/sneaky-array-repeat-expr.rs
new file mode 100644
index 00000000000..b147c246bda
--- /dev/null
+++ b/src/test/ui/const-generics/sneaky-array-repeat-expr.rs
@@ -0,0 +1,32 @@
+trait Trait<const N: usize> {
+    const Assoc: usize;
+}
+
+impl<const N: usize> Trait<N> for () {
+    const Assoc: usize = 1;
+}
+
+
+pub const fn foo<const N: usize>() where (): Trait<N> {
+    let bar = [(); <()>::Assoc];
+    //~^ error: constant expression depends on a generic parameter
+}
+
+trait Trait2<const N: usize> {
+    const Assoc2: usize;
+}
+
+impl<const N: usize> Trait2<N> for () {
+    const Assoc2: usize = N - 1;
+}
+
+
+pub const fn foo2<const N: usize>() where (): Trait2<N> {
+    let bar2 = [(); <()>::Assoc2];
+    //~^ error: constant expression depends on a generic parameter
+}
+
+fn main() {
+    foo::<0>();
+    foo2::<0>();
+}