* gcc.dg/doloop-2.c: New test.

From-SVN: r88751

gcc/testsuite/ChangeLog

+2004-10-08  Michael Matz  <matz@suse.de>
+
+	* gcc.dg/doloop-2.c: New test.
+
 2004-10-08  Joseph S. Myers  <jsm@polyomino.org.uk>
 
 	* gcc.dg/assign-warn-1.c, gcc.dg/assign-warn-2.c: New tests.

gcc/testsuite/gcc.dg/doloop-2.c

+/* { dg-do run } */
+/* { dg-options "-O2" } */
+extern void abort (void);
+unsigned global_iters;
+
+void bi_reverse(int len)
+{
+    do {
+	global_iters++;
+    } while (--len > 0);
+}
+
+int main()
+{
+  bi_reverse(5);
+  if (global_iters != 5)
+    abort ();
+  return 0;
+}