Synchronize with r15701.

src/x64/lithium-x64.cc

Index: src/x64/lithium-x64.cc
diff --git a/src/x64/lithium-x64.cc b/src/x64/lithium-x64.cc
index 4fa0683a0249e039ff1534cbd47ca3938a766d0f..945d002b908e23b4a33d756f29e93051f32084ec 100644
--- a/src/x64/lithium-x64.cc
+++ b/src/x64/lithium-x64.cc
@@ -328,7 +328,6 @@ void LCallNewArray::PrintDataTo(StringStream* stream) {
   stream->Add("= ");
   constructor()->PrintTo(stream);
   stream->Add(" #%d / ", arity());
-  ASSERT(hydrogen()->property_cell()->value()->IsSmi());
   ElementsKind kind = hydrogen()->elements_kind();
   stream->Add(" (%s) ", ElementsKindToString(kind));
 }
@@ -2339,13 +2338,6 @@ LInstruction* LChunkBuilder::DoStringLength(HStringLength* instr) {
 }
 
 
-LInstruction* LChunkBuilder::DoAllocateObject(HAllocateObject* instr) {
-  info()->MarkAsDeferredCalling();
-  LAllocateObject* result = new(zone()) LAllocateObject(TempRegister());
-  return AssignPointerMap(DefineAsRegister(result));
-}
-
-
 LInstruction* LChunkBuilder::DoAllocate(HAllocate* instr) {
   info()->MarkAsDeferredCalling();
   LOperand* size = instr->size()->IsConstant()