diff --git a/gcc/testsuite/g++.old-deja/g++.other/array5.C b/gcc/testsuite/g++.old-deja/g++.other/array5.C
new file mode 100644
index 00000000000..9ac745c0dc4
--- /dev/null
+++ b/gcc/testsuite/g++.old-deja/g++.other/array5.C
@@ -0,0 +1,10 @@
+// Build don't link:
+// We tried to create a temporary of unknown size and crashed.
+
+extern int a1[];
+extern int a2[];
+int foo(int p)
+{
+  int x = (p ? a1 : a2)[1];
+  return x;
+}