Allow new-space JSFunction objects as constant-function properties.

src/ic.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 989 matching lines @@
     switch (lookup->type()) {
       case FIELD: {
         maybe_code = isolate()->stub_cache()->ComputeLoadField(
             *name,
             *receiver,
             lookup->holder(),
             lookup->GetFieldIndex());
         break;
       }
       case CONSTANT_FUNCTION: {
-        Object* constant = lookup->GetConstantFunction();
+        JSFunction* constant = lookup->GetConstantFunction();
         maybe_code = isolate()->stub_cache()->ComputeLoadConstant(
             *name, *receiver, lookup->holder(), constant);
         break;
       }
       case NORMAL: {
         if (lookup->holder()->IsGlobalObject()) {
           GlobalObject* global = GlobalObject::cast(lookup->holder());
           JSGlobalPropertyCell* cell =
               JSGlobalPropertyCell::cast(global->GetPropertyCell(lookup));
           maybe_code = isolate()->stub_cache()->ComputeLoadGlobal(*name,
@@ skipping 263 matching lines @@
     maybe_code = pre_monomorphic_stub();
   } else {
     // Compute a monomorphic stub.
     switch (lookup->type()) {
       case FIELD: {
         maybe_code = isolate()->stub_cache()->ComputeKeyedLoadField(
             *name, *receiver, lookup->holder(), lookup->GetFieldIndex());
         break;
       }
       case CONSTANT_FUNCTION: {
-        Object* constant = lookup->GetConstantFunction();
+        JSFunction* constant = lookup->GetConstantFunction();
         maybe_code = isolate()->stub_cache()->ComputeKeyedLoadConstant(
             *name, *receiver, lookup->holder(), constant);
         break;
       }
       case CALLBACKS: {
         if (!lookup->GetCallbackObject()->IsAccessorInfo()) return;
         AccessorInfo* callback =
             AccessorInfo::cast(lookup->GetCallbackObject());
         if (v8::ToCData<Address>(callback->getter()) == 0) return;
         maybe_code = isolate()->stub_cache()->ComputeKeyedLoadCallback(
@@ skipping 1203 matching lines @@
 #undef ADDR
 };
 
 
 Address IC::AddressFromUtilityId(IC::UtilityId id) {
   return IC_utilities[id];
 }
 
 
 } }  // namespace v8::internal