Fix bogus allocation limit in allocation folding.

src/hydrogen-instructions.cc

 // Copyright 2012 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 3386 matching lines @@
   if (MustAllocateDoubleAligned()) {
     if (!dominator_allocate->MustAllocateDoubleAligned()) {
       dominator_allocate->MakeDoubleAligned();
     }
     if ((dominator_size_constant & kDoubleAlignmentMask) != 0) {
       dominator_size_constant += kDoubleSize / 2;
       new_dominator_size += kDoubleSize / 2;
     }
   }
 
-  if (new_dominator_size > Page::kMaxNonCodeHeapObjectSize) {
+  if (new_dominator_size > isolate()->heap()->MaxRegularSpaceAllocationSize()) {
     if (FLAG_trace_allocation_folding) {
       PrintF("#%d (%s) cannot fold into #%d (%s) due to size: %d\n",
           id(), Mnemonic(), dominator_allocate->id(),
           dominator_allocate->Mnemonic(), new_dominator_size);
     }
     return;
   }
 
   HInstruction* new_dominator_size_constant = HConstant::CreateAndInsertBefore(
       zone,
@@ skipping 933 matching lines @@
       break;
     case kExternalMemory:
       stream->Add("[external-memory]");
       break;
   }
 
   stream->Add("@%d", offset());
 }
 
 } }  // namespace v8::internal