Supporting AllocationSiteInfo for Nested arrays

src/hydrogen-instructions.h

Index: src/hydrogen-instructions.h
diff --git a/src/hydrogen-instructions.h b/src/hydrogen-instructions.h
index 3aa15e375a78aee6cbb4b31395cb1a87957ebe54..bfde7eaccf0abfdef8d32895927422e2ac4ba22c 100644
--- a/src/hydrogen-instructions.h
+++ b/src/hydrogen-instructions.h
@@ -5146,13 +5146,16 @@ class HFastLiteral: public HMaterializedLiteral<1> {
  public:
   HFastLiteral(HValue* context,
                Handle<JSObject> boilerplate,
+               Handle<JSObject> original_boilerplate,
                int total_size,
                int literal_index,
                int depth,
                AllocationSiteMode mode)
       : HMaterializedLiteral<1>(literal_index, depth, mode),
         boilerplate_(boilerplate),
+        original_boilerplate_(original_boilerplate),
         total_size_(total_size) {
+    ASSERT(!boilerplate.is_identical_to(original_boilerplate));
     SetOperandAt(0, context);
     SetGVNFlag(kChangesNewSpacePromotion);
   }
@@ -5164,6 +5167,8 @@ class HFastLiteral: public HMaterializedLiteral<1> {
 
   HValue* context() { return OperandAt(0); }
   Handle<JSObject> boilerplate() const { return boilerplate_; }
+  Handle<JSObject> original_boilerplate() const {
+    return original_boilerplate_; }

[danno, 2013/02/08 13:44:38]

nit: } should be on next line

[mvstanton, 2013/02/11 11:11:24]

Done.

   int total_size() const { return total_size_; }
   virtual Representation RequiredInputRepresentation(int index) {
     return Representation::Tagged();
@@ -5177,6 +5182,7 @@ class HFastLiteral: public HMaterializedLiteral<1> {
 
  private:
   Handle<JSObject> boilerplate_;
+  Handle<JSObject> original_boilerplate_;
   int total_size_;
 };
 
@@ -5227,8 +5233,9 @@ class HObjectLiteral: public HMaterializedLiteral<1> {
                  bool fast_elements,
                  int literal_index,
                  int depth,
-                 bool has_function)
-      : HMaterializedLiteral<1>(literal_index, depth),
+                 bool has_function,
+                 AllocationSiteMode mode)
+      : HMaterializedLiteral<1>(literal_index, depth, mode),
         constant_properties_(constant_properties),
         fast_elements_(fast_elements),
         has_function_(has_function) {