diff --git a/gcc/testsuite/g++.dg/ext/vector44.C b/gcc/testsuite/g++.dg/ext/vector44.C
new file mode 100644
index 00000000000..cb24ef6e264
--- /dev/null
+++ b/gcc/testsuite/g++.dg/ext/vector44.C
@@ -0,0 +1,5 @@
+// PR c++/101881
+// { dg-do compile { target c++11 } }
+
+template<int N> using A = int __attribute__((vector_size(N)))*;
+void foo(A<4>) {}