Fail sooner and with better error message when attempting precompilation on IA32.

runtime/vm/megamorphic_cache_table.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/megamorphic_cache_table.h"
 
 #include <stdlib.h>
 #include "vm/object.h"
 #include "vm/object_store.h"
 #include "vm/stub_code.h"
 #include "vm/symbols.h"
 
 namespace dart {
 
 RawMegamorphicCache* MegamorphicCacheTable::Lookup(Isolate* isolate,
                                                    const String& name,
                                                    const Array& descriptor) {
   ASSERT(name.IsSymbol());
   // TODO(rmacnak): ASSERT(descriptor.IsCanonical());
 
   // TODO(rmacnak): Make a proper hashtable a la symbol table.
   GrowableObjectArray& table = GrowableObjectArray::Handle(
       isolate->object_store()->megamorphic_cache_table());
   if (table.IsNull()) {
-    table = GrowableObjectArray::New();
+    table = GrowableObjectArray::New(Heap::kOld);
     ASSERT((table.Length() % kEntrySize) == 0);
     isolate->object_store()->set_megamorphic_cache_table(table);
   } else {
     for (intptr_t i = 0; i < table.Length(); i += kEntrySize) {
       if ((table.At(i + kEntryNameOffset) == name.raw()) &&
           (table.At(i + kEntryDescriptorOffset) == descriptor.raw())) {
         return MegamorphicCache::RawCast(table.At(i + kEntryCacheOffset));
       }
     }
   }
 
   const MegamorphicCache& cache =
       MegamorphicCache::Handle(MegamorphicCache::New());
-  table.Add(name);
-  table.Add(descriptor);
-  table.Add(cache);
+  table.Add(name, Heap::kOld);
+  table.Add(descriptor, Heap::kOld);
+  table.Add(cache, Heap::kOld);
   ASSERT((table.Length() % kEntrySize) == 0);
   return cache.raw();
 }
 
 
 RawFunction* MegamorphicCacheTable::miss_handler(Isolate* isolate) {
   ASSERT(isolate->object_store()->megamorphic_miss_function() !=
          Function::null());
   return isolate->object_store()->megamorphic_miss_function();
 }
@@ skipping 40 matching lines @@
     cache ^= table.At(i + kEntryCacheOffset);
     buckets = cache.buckets();
     size += MegamorphicCache::InstanceSize();
     size += Array::InstanceSize(buckets.Length());
   }
   OS::Print("%" Pd " megamorphic caches using %" Pd "KB.\n",
             table.Length() / kEntrySize, size / 1024);
 }
 
 }  // namespace dart