1 files changed, 10 insertions, 0 deletions
diff --git a/tests/ui/inference/issue-83606.rs b/tests/ui/inference/issue-83606.rs
new file mode 100644
index 00000000000..eaaef3463dd
--- /dev/null
+++ b/tests/ui/inference/issue-83606.rs
@@ -0,0 +1,10 @@
+// Regression test for #83606.
+
+fn foo<const N: usize>(_: impl std::fmt::Display) -> [usize; N] {
+    [0; N]
+}
+
+fn main() {
+    let _ = foo("foo");
+    //~^ ERROR: type annotations needed for `[usize; _]`
+}