Fix context handling in for-in loops

runtime/vm/debugger.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/debugger.h"
 
 #include "include/dart_api.h"
 
 #include "vm/code_generator.h"
 #include "vm/code_patcher.h"
@@ skipping 715 matching lines @@
     ActivationFrame* frame = stack->FrameAt(i);
     OS::PrintErr("#%04" Pd " %s", i, frame->ToCString());
   }
 
   OS::PrintErr("-------------------------\n"
                "All frames...\n\n");
   StackFrameIterator iterator(false);
   StackFrame* frame = iterator.NextFrame();
   intptr_t num = 0;
   while ((frame != NULL)) {
+    OS::PrintErr("#%04" Pd " %s\n", num++, frame->ToCString());
     frame = iterator.NextFrame();
-    OS::PrintErr("#%04" Pd " %s\n", num++, frame->ToCString());
   }
 }
 
 
 void ActivationFrame::VariableAt(intptr_t i,
                                  String* name,
                                  intptr_t* token_pos,
                                  intptr_t* end_pos,
                                  Instance* value) {
   GetDescIndices();
@@ skipping 1835 matching lines @@
 }
 
 
 void Debugger::RegisterCodeBreakpoint(CodeBreakpoint* bpt) {
   ASSERT(bpt->next() == NULL);
   bpt->set_next(code_breakpoints_);
   code_breakpoints_ = bpt;
 }
 
 }  // namespace dart