Clear new-space promotion if the type is smi.

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 1660 matching lines @@
 }
 
 
 Range* HChange::InferRange(Zone* zone) {
   Range* input_range = value()->range();
   if (from().IsInteger32() &&
       to().IsTagged() &&
       !value()->CheckFlag(HInstruction::kUint32) &&
       input_range != NULL && input_range->IsInSmiRange()) {
     set_type(HType::Smi());
+    ClearGVNFlag(kChangesNewSpacePromotion);
   }
   Range* result = (input_range != NULL)
       ? input_range->Copy(zone)
       : HValue::InferRange(zone);
   if (to().IsInteger32()) result->set_can_be_minus_zero(false);
   return result;
 }
 
 
 Range* HConstant::InferRange(Zone* zone) {
@@ skipping 1929 matching lines @@
 
 
 void HCheckFunction::Verify() {
   HInstruction::Verify();
   ASSERT(HasNoUses());
 }
 
 #endif
 
 } }  // namespace v8::internal