1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/ui/lifetimes/issue-64173-unused-lifetimes.rs b/src/test/ui/lifetimes/issue-64173-unused-lifetimes.rs
new file mode 100644
index 000000000..8080dd7dc
--- /dev/null
+++ b/src/test/ui/lifetimes/issue-64173-unused-lifetimes.rs
@@ -0,0 +1,19 @@
+use std::mem::size_of;
+
+struct Foo<'s> { //~ ERROR: parameter `'s` is never used
+    array: [(); size_of::<&Self>()],
+    //~^ ERROR: generic `Self` types are currently not permitted in anonymous constants
+}
+
+// The below is taken from https://github.com/rust-lang/rust/issues/66152#issuecomment-550275017
+// as the root cause seems the same.
+
+const fn foo<T>() -> usize {
+    0
+}
+
+struct Bar<'a> { //~ ERROR: parameter `'a` is never used
+    beta: [(); foo::<&'a ()>()], //~ ERROR: a non-static lifetime is not allowed in a `const`
+}
+
+fn main() {}