Allow the deoptimizer translation to track de-materialized objects.

src/lithium.h

Index: src/lithium.h
diff --git a/src/lithium.h b/src/lithium.h
index 170e5c89bcee9e7cfa510753d005d668114c0c26..ab34453beff6015a37dc9a00afc02e4251f93414 100644
--- a/src/lithium.h
+++ b/src/lithium.h
@@ -527,6 +527,7 @@ class LEnvironment: public ZoneObject {
         deoptimization_index_(Safepoint::kNoDeoptimizationIndex),
         translation_index_(-1),
         ast_id_(ast_id),
+        translation_size_(value_count),
         parameter_count_(parameter_count),
         pc_offset_(-1),
         values_(value_count, zone),
@@ -544,6 +545,7 @@ class LEnvironment: public ZoneObject {
   int deoptimization_index() const { return deoptimization_index_; }
   int translation_index() const { return translation_index_; }
   BailoutId ast_id() const { return ast_id_; }
+  int translation_size() const { return translation_size_; }
   int parameter_count() const { return parameter_count_; }
   int pc_offset() const { return pc_offset_; }
   LOperand** spilled_registers() const { return spilled_registers_; }
@@ -553,6 +555,7 @@ class LEnvironment: public ZoneObject {
   const ZoneList<LOperand*>* values() const { return &values_; }
   LEnvironment* outer() const { return outer_; }
   HEnterInlined* entry() { return entry_; }
+  Zone* zone() const { return zone_; }
 
   void AddValue(LOperand* operand,
                 Representation representation,
@@ -560,11 +563,11 @@ class LEnvironment: public ZoneObject {
     values_.Add(operand, zone());
     if (representation.IsSmiOrTagged()) {
       ASSERT(!is_uint32);
-      is_tagged_.Add(values_.length() - 1);
+      is_tagged_.Add(values_.length() - 1, zone());
     }
 
     if (is_uint32) {
-      is_uint32_.Add(values_.length() - 1);
+      is_uint32_.Add(values_.length() - 1, zone());
     }
   }
 
@@ -596,8 +599,6 @@ class LEnvironment: public ZoneObject {
 
   void PrintTo(StringStream* stream);
 
-  Zone* zone() const { return zone_; }
-
  private:
   Handle<JSFunction> closure_;
   FrameType frame_type_;
@@ -605,11 +606,15 @@ class LEnvironment: public ZoneObject {
   int deoptimization_index_;
   int translation_index_;
   BailoutId ast_id_;
+  int translation_size_;
   int parameter_count_;
   int pc_offset_;
+
+  // Value array: [parameters] [locals] [expression stack] [de-materialized].
+  //              |>--------- translation_size ---------<|
   ZoneList<LOperand*> values_;
-  BitVector is_tagged_;
-  BitVector is_uint32_;
+  GrowableBitVector is_tagged_;
+  GrowableBitVector is_uint32_;
 
   // Allocation index indexed arrays of spill slot operands for registers
   // that are also in spill slots at an OSR entry.  NULL for environments
@@ -619,7 +624,6 @@ class LEnvironment: public ZoneObject {
 
   LEnvironment* outer_;
   HEnterInlined* entry_;
-
   Zone* zone_;
 };