Add a regression test for issue-75299

diff --git a/src/test/ui/const-generics/issues/issue-75299.rs b/src/test/ui/const-generics/issues/issue-75299.rs
new file mode 100644 (file)
index 0000000..23f30a1
--- /dev/null
+++ b/src/test/ui/const-generics/issues/issue-75299.rs
@@ -0,0 +1,11 @@
+// compile-flags: -Zmir-opt-level=3
+// run-pass
+
+#![feature(const_generics)]
+#![allow(incomplete_features)]
+fn main() {
+    fn foo<const N: usize>() -> [u8; N] {
+        [0; N]
+    }
+    let _x = foo::<1>();
+}