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-rw-r--r--tests/ui/recursion/instantiable.rs17
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/recursion/instantiable.rs b/tests/ui/recursion/instantiable.rs
new file mode 100644
index 000000000..ad0cf3f4a
--- /dev/null
+++ b/tests/ui/recursion/instantiable.rs
@@ -0,0 +1,17 @@
+// run-pass
+
+#![allow(non_camel_case_types)]
+#![allow(dead_code)]
+// pretty-expanded FIXME #23616
+
+use std::ptr;
+
+// check that we do not report a type like this as uninstantiable,
+// even though it would be if the nxt field had type @foo:
+struct foo(X);
+
+struct X { x: usize, nxt: *const foo }
+
+pub fn main() {
+ let _x = foo(X {x: 0, nxt: ptr::null()});
+}