Revert "Implement structural function and array types"

src/ia32/stub-cache-ia32.cc

Index: src/ia32/stub-cache-ia32.cc
diff --git a/src/ia32/stub-cache-ia32.cc b/src/ia32/stub-cache-ia32.cc
index 9c8269259fb42f5dc20a9dd21c76d1ded64785ab..209bfa6d815d2461dc776f16c9f624b8245f6a79 100644
--- a/src/ia32/stub-cache-ia32.cc
+++ b/src/ia32/stub-cache-ia32.cc
@@ -530,8 +530,7 @@ void StoreStubCompiler::GenerateStoreTransition(MacroAssembler* masm,
   } else if (representation.IsHeapObject()) {
     HeapType* field_type = descriptors->GetFieldType(descriptor);
     if (field_type->IsClass()) {
-      __ CheckMap(value_reg, field_type->AsClass()->Map(),
-                  miss_label, DO_SMI_CHECK);
+      __ CheckMap(value_reg, field_type->AsClass(), miss_label, DO_SMI_CHECK);
     } else {
       ASSERT(HeapType::Any()->Is(field_type));
       __ JumpIfSmi(value_reg, miss_label);
@@ -707,8 +706,7 @@ void StoreStubCompiler::GenerateStoreField(MacroAssembler* masm,
   } else if (representation.IsHeapObject()) {
     HeapType* field_type = lookup->GetFieldType();
     if (field_type->IsClass()) {
-      __ CheckMap(value_reg, field_type->AsClass()->Map(),
-                  miss_label, DO_SMI_CHECK);
+      __ CheckMap(value_reg, field_type->AsClass(), miss_label, DO_SMI_CHECK);
     } else {
       ASSERT(HeapType::Any()->Is(field_type));
       __ JumpIfSmi(value_reg, miss_label);
@@ -838,8 +836,7 @@ Register StubCompiler::CheckPrototypes(Handle<HeapType> type,
   int depth = 0;
 
   Handle<JSObject> current = Handle<JSObject>::null();
-  if (type->IsConstant()) current =
-      Handle<JSObject>::cast(type->AsConstant()->Value());
+  if (type->IsConstant()) current = Handle<JSObject>::cast(type->AsConstant());
   Handle<JSObject> prototype = Handle<JSObject>::null();
   Handle<Map> current_map = receiver_map;
   Handle<Map> holder_map(holder->map());