1 files changed, 22 insertions, 0 deletions
diff --git a/tests/ui/const-generics/generic_arg_infer/infer-arg-test.rs b/tests/ui/const-generics/generic_arg_infer/infer-arg-test.rs
new file mode 100644
index 000000000..29aa0f59d
--- /dev/null
+++ b/tests/ui/const-generics/generic_arg_infer/infer-arg-test.rs
@@ -0,0 +1,22 @@
+#![feature(generic_arg_infer)]
+
+struct All<'a, T, const N: usize> {
+  v: &'a T,
+}
+
+struct BadInfer<_>;
+//~^ ERROR expected identifier
+//~| ERROR parameter `_` is never used
+
+fn all_fn<'a, T, const N: usize>() {}
+
+fn bad_infer_fn<_>() {}
+//~^ ERROR expected identifier
+
+
+fn main() {
+  let a: All<_, _, _>;
+  all_fn();
+  let v: [u8; _];
+  let v: [u8; 10] = [0; _];
+}