Support debugger inspection of locals in optimized frames

src/heap.cc

Index: src/heap.cc
diff --git a/src/heap.cc b/src/heap.cc
index 0ce5e34aa0bebf566ff0e83feb33cda54efbfd7e..d8248e83d0aba2b81e8a61f36fc719dccef1da1c 100644
--- a/src/heap.cc
+++ b/src/heap.cc
@@ -33,6 +33,7 @@
 #include "codegen.h"
 #include "compilation-cache.h"
 #include "debug.h"
+#include "deoptimizer.h"
 #include "global-handles.h"
 #include "heap-profiler.h"
 #include "liveobjectlist-inl.h"
@@ -4665,6 +4666,9 @@ void Heap::IterateStrongRoots(ObjectVisitor* v, VisitMode mode) {
 
 #ifdef ENABLE_DEBUGGER_SUPPORT
   isolate_->debug()->Iterate(v);
+  if (isolate_->deoptimizer_data() != NULL) {
+    isolate_->deoptimizer_data()->Iterate(v);
+  }
 #endif
   v->Synchronize("debug");
   isolate_->compilation_cache()->Iterate(v);