Next try - more Index fixes.
diff --git a/test/array_reverse.cpp b/test/array_reverse.cpp
index 144a0b0..1461900 100644
--- a/test/array_reverse.cpp
+++ b/test/array_reverse.cpp
@@ -106,8 +106,8 @@
 
   Scalar x = ei_random<Scalar>();
 
-  int r = ei_random<int>(0, rows-1),
-      c = ei_random<int>(0, cols-1);
+  Index r = ei_random<Index>(0, rows-1),
+        c = ei_random<Index>(0, cols-1);
 
   m1.reverse()(r, c) = x;
   VERIFY_IS_APPROX(x, m1(rows - 1 - r, cols - 1 - c));