[turbofan] Remove global InstructionOperand caches.

test/unittests/compiler/move-optimizer-unittest.cc

Index: test/unittests/compiler/move-optimizer-unittest.cc
diff --git a/test/unittests/compiler/move-optimizer-unittest.cc b/test/unittests/compiler/move-optimizer-unittest.cc
index 2452d19914da05f0c5eaf82ad28dc0373a24709d..b8375fab10ad5267db5889fd03d227c75070ac2e 100644
--- a/test/unittests/compiler/move-optimizer-unittest.cc
+++ b/test/unittests/compiler/move-optimizer-unittest.cc
@@ -69,12 +69,12 @@ class MoveOptimizerTest : public InstructionSequenceTest {
     CHECK_NE(kNoValue, op.value_);
     switch (op.type_) {
       case kConstant:
-        return ConstantOperand::Create(op.value_, zone());
+        return ConstantOperand::New(op.value_, zone());
       case kFixedSlot:
-        return StackSlotOperand::Create(op.value_, zone());
+        return StackSlotOperand::New(op.value_, zone());
       case kFixedRegister:
         CHECK(0 <= op.value_ && op.value_ < num_general_registers());
-        return RegisterOperand::Create(op.value_, zone());
+        return RegisterOperand::New(op.value_, zone());
       default:
         break;
     }