DBC: Fix reading locals out of a deopt frame.

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 809 matching lines @@
 RawObject* ActivationFrame::GetClosure() {
   ASSERT(function().IsClosureFunction());
   return GetParameter(0);
 }
 
 
 RawObject* ActivationFrame::GetStackVar(intptr_t slot_index) {
   if (deopt_frame_.IsNull()) {
     return GetVariableValue(LocalVarAddress(fp(), slot_index));
   } else {
-    return deopt_frame_.At(deopt_frame_offset_ + slot_index);
+    return deopt_frame_.At(LocalVarIndex(deopt_frame_offset_, slot_index));
   }
 }
 
 
 void ActivationFrame::PrintContextMismatchError(
     intptr_t ctx_slot,
     intptr_t frame_ctx_level,
     intptr_t var_ctx_level) {
   OS::PrintErr("-------------------------\n"
                "Encountered context mismatch\n"
@@ skipping 2475 matching lines @@
 
 void Debugger::RegisterCodeBreakpoint(CodeBreakpoint* bpt) {
   ASSERT(bpt->next() == NULL);
   bpt->set_next(code_breakpoints_);
   code_breakpoints_ = bpt;
 }
 
 #endif  // !PRODUCT
 
 }  // namespace dart