2003-07-17  Eric Botcazou  <ebotcazou@libertysurf.fr>

	* gcc.c-torture/execute/loop-16.c: New test.

--- gcc-3.3.1/gcc/testsuite/gcc.c-torture/execute/loop-16.c.pr11536	2003-07-18 08:36:36.000000000 -0400
+++ gcc-3.3.1/gcc/testsuite/gcc.c-torture/execute/loop-16.c	2003-07-18 08:36:26.000000000 -0400
@@ -0,0 +1,40 @@
+/* PR optimization/11536 */
+/* Origin: samal@kam.mff.cuni.cz <samal@kam.mff.cuni.cz> */
+/* Testcase by Andrew Pinsky <pinskia@physics.uc.edu> */
+
+/* Verify that the loop optimizer doesn't use moving targets
+   to calculate the number of iterations of a loop.  */
+
+extern void abort(void);
+
+void foo(int) __attribute__((__noinline__));
+
+void foo(int i)
+{
+  abort();
+}
+
+int main()
+{
+  int i;
+  int first= 0;
+  int last= 0;
+
+  while (last<3) {
+    last = first;
+
+    while (first<=last) {
+      first++;
+
+      for (i=0;i<3;i++)
+        last++;
+
+      if (last>10)
+        return 0;
+    }
+    
+    foo(first);
+  }
+
+  return 0;
+}