Revert of Remove register index/code indirection

test/unittests/compiler/instruction-sequence-unittest.cc

Index: test/unittests/compiler/instruction-sequence-unittest.cc
diff --git a/test/unittests/compiler/instruction-sequence-unittest.cc b/test/unittests/compiler/instruction-sequence-unittest.cc
index 51112a6470ee24e9d21ff18936a9d9554f782aa2..65a7f299c5565703e5f07022facef32546c2f512 100644
--- a/test/unittests/compiler/instruction-sequence-unittest.cc
+++ b/test/unittests/compiler/instruction-sequence-unittest.cc
@@ -18,14 +18,6 @@
     double_register_names_[RegisterConfiguration::kMaxDoubleRegisters];
 static char register_names_[10 * (RegisterConfiguration::kMaxGeneralRegisters +
                                   RegisterConfiguration::kMaxDoubleRegisters)];
-
-
-namespace {
-static int allocatable_codes[InstructionSequenceTest::kDefaultNRegs] = {
-    0, 1, 2, 3, 4, 5, 6, 7};
-static int allocatable_double_codes[InstructionSequenceTest::kDefaultNRegs] = {
-    0, 1, 2, 3, 4, 5, 6, 7};
-}
 
 
 static void InitializeRegisterNames() {
@@ -67,10 +59,8 @@
 RegisterConfiguration* InstructionSequenceTest::config() {
   if (config_.is_empty()) {
     config_.Reset(new RegisterConfiguration(
-        num_general_registers_, num_double_registers_, num_general_registers_,
-        num_double_registers_, num_double_registers_, allocatable_codes,
-        allocatable_double_codes, general_register_names_,
-        double_register_names_));
+        num_general_registers_, num_double_registers_, num_double_registers_,
+        general_register_names_, double_register_names_));
   }
   return config_.get();
 }