Revert "Implement structural function and array types"

src/arm/stub-cache-arm.cc

Index: src/arm/stub-cache-arm.cc
diff --git a/src/arm/stub-cache-arm.cc b/src/arm/stub-cache-arm.cc
index 6875dcf5ab14de0c3ee2ce2a04f229cebc1e57b7..ebbfce683c3dfecdbad1317d2f69bcd7daafdfa8 100644
--- a/src/arm/stub-cache-arm.cc
+++ b/src/arm/stub-cache-arm.cc
@@ -432,7 +432,7 @@ void StoreStubCompiler::GenerateStoreTransition(MacroAssembler* masm,
   } else if (representation.IsHeapObject()) {
     HeapType* field_type = descriptors->GetFieldType(descriptor);
     if (field_type->IsClass()) {
-      __ CheckMap(value_reg, scratch1, field_type->AsClass()->Map(),
+      __ CheckMap(value_reg, scratch1, field_type->AsClass(),
                   miss_label, DO_SMI_CHECK);
     } else {
       ASSERT(HeapType::Any()->Is(field_type));
@@ -601,7 +601,7 @@ void StoreStubCompiler::GenerateStoreField(MacroAssembler* masm,
   } else if (representation.IsHeapObject()) {
     HeapType* field_type = lookup->GetFieldType();
     if (field_type->IsClass()) {
-      __ CheckMap(value_reg, scratch1, field_type->AsClass()->Map(),
+      __ CheckMap(value_reg, scratch1, field_type->AsClass(),
                   miss_label, DO_SMI_CHECK);
     } else {
       ASSERT(HeapType::Any()->Is(field_type));
@@ -850,9 +850,7 @@ 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());