commit 4447dcf380a08f74bf5b91fd84d7013cbbb34ee8
Author: Aldy Hernandez <aldyh@redhat.com>
Date:   Wed Mar 20 16:47:02 2013 -0500

    Add new test to verify that the array index, limit, and stride are
    only evaluated once.

diff --git a/gcc/testsuite/gcc.dg/cilk-plus/array_notation/execute/side-effects-1.c b/gcc/testsuite/gcc.dg/cilk-plus/array_notation/execute/side-effects-1.c
new file mode 100644
index 0000000..1845862
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/cilk-plus/array_notation/execute/side-effects-1.c
@@ -0,0 +1,23 @@
+/* Test that the array index, limit, and stride are evaluated only
+   once.  */
+
+int array[1000];
+
+int func1_times = 0;
+int func2_times = 0;
+int func3_times = 0;
+int func1() { func1_times++; return 0; }
+int func2() { func2_times++; return 0; }
+int func3() { func3_times++; return 0; }
+
+int main()
+{
+  array[func1() + 11 : func2() + 22 : func3() + 33] = 666;
+
+  if (func1_times != 1
+      || func2_times != 1
+      || func3_times != 1)
+    abort();
+
+  return 0;
+}