1 files changed, 26 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-3149.rs b/src/test/ui/issues/issue-3149.rs
new file mode 100644
index 000000000..6ab3bc846
--- /dev/null
+++ b/src/test/ui/issues/issue-3149.rs
@@ -0,0 +1,26 @@
+// check-pass
+#![allow(dead_code)]
+#![allow(non_snake_case)]
+// pretty-expanded FIXME #23616
+
+fn Matrix4<T>(m11: T, m12: T, m13: T, m14: T,
+              m21: T, m22: T, m23: T, m24: T,
+              m31: T, m32: T, m33: T, m34: T,
+              m41: T, m42: T, m43: T, m44: T)
+              -> Matrix4<T> {
+    Matrix4 {
+        m11: m11, m12: m12, m13: m13, m14: m14,
+        m21: m21, m22: m22, m23: m23, m24: m24,
+        m31: m31, m32: m32, m33: m33, m34: m34,
+        m41: m41, m42: m42, m43: m43, m44: m44
+    }
+}
+
+struct Matrix4<T> {
+    m11: T, m12: T, m13: T, m14: T,
+    m21: T, m22: T, m23: T, m24: T,
+    m31: T, m32: T, m33: T, m34: T,
+    m41: T, m42: T, m43: T, m44: T,
+}
+
+pub fn main() {}