Enable register allocation for return statements. Make sure to...

test/mjsunit/debug-step.js

 // Copyright 2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 18 matching lines @@
 // Get the Debug object exposed from the debug context global object.
 Debug = debug.Debug
 
 // Simple debug event handler which first time hit will perform 1000 steps and
 // second time hit will evaluate and store the value of "i". If requires that
 // the global property "state" is initially zero.
 
 var bp1, bp2;
 
 function listener(event, exec_state, event_data, data) {
-  if (event == Debug.DebugEvent.Break)
-  {
+  if (event == Debug.DebugEvent.Break) {
     if (state == 0) {
       exec_state.prepareStep(Debug.StepAction.StepIn, 1000);
       state = 1;
     } else if (state == 1) {
       result = exec_state.frame().evaluate("i").value();
       // Clear the break point on line 2 if set.
       if (bp2) {
         Debug.clearBreakPoint(bp2);
       }
     }
@@ skipping 10 matching lines @@
   }
 };
 
 // Set a breakpoint on the for statement (line 1).
 bp1 = Debug.setBreakPoint(f, 1);
 
 // Check that performing 1000 steps will make i 499.
 state = 0;
 result = -1;
 f();
-print(state);
 assertEquals(499, result);
 
 // Check that performing 1000 steps with a break point on the statement in the
 // for loop (line 2) will only make i 0 as a real break point breaks even when
 // multiple steps have been requested.
 state = 0;
 result = -1;
 bp2 = Debug.setBreakPoint(f, 2);
 f();
 assertEquals(0, result);
 
 // Get rid of the debug event listener.
 Debug.removeListener(listener);