MIPS: Remove PropertyCell space.

src/mips64/lithium-mips64.cc

Index: src/mips64/lithium-mips64.cc
diff --git a/src/mips64/lithium-mips64.cc b/src/mips64/lithium-mips64.cc
index 1e48881a068c8335e06ff4498b60808b3c1dcdcf..60a837e7c5eff0dfa82938f2ac30edc46719a108 100644
--- a/src/mips64/lithium-mips64.cc
+++ b/src/mips64/lithium-mips64.cc
@@ -2085,14 +2085,6 @@ LInstruction* LChunkBuilder::DoConstant(HConstant* instr) {
 }
 
 
-LInstruction* LChunkBuilder::DoLoadGlobalCell(HLoadGlobalCell* instr) {
-  LLoadGlobalCell* result = new(zone()) LLoadGlobalCell;
-  return instr->RequiresHoleCheck()
-      ? AssignEnvironment(DefineAsRegister(result))
-      : DefineAsRegister(result);
-}
-
-
 LInstruction* LChunkBuilder::DoLoadGlobalGeneric(HLoadGlobalGeneric* instr) {
   LOperand* context = UseFixed(instr->context(), cp);
   LOperand* global_object =
@@ -2107,16 +2099,6 @@ LInstruction* LChunkBuilder::DoLoadGlobalGeneric(HLoadGlobalGeneric* instr) {
 }
 
 
-LInstruction* LChunkBuilder::DoStoreGlobalCell(HStoreGlobalCell* instr) {
-  LOperand* value = UseRegister(instr->value());
-  // Use a temp to check the value in the cell in the case where we perform
-  // a hole check.
-  return instr->RequiresHoleCheck()
-      ? AssignEnvironment(new(zone()) LStoreGlobalCell(value, TempRegister()))
-      : new(zone()) LStoreGlobalCell(value, NULL);
-}
-
-
 LInstruction* LChunkBuilder::DoLoadContextSlot(HLoadContextSlot* instr) {
   LOperand* context = UseRegisterAtStart(instr->value());
   LInstruction* result =