[Interpreter] Use RegisterList for kRegTriple and kRegPair operands.

test/unittests/interpreter/bytecode-array-iterator-unittest.cc

Index: test/unittests/interpreter/bytecode-array-iterator-unittest.cc
diff --git a/test/unittests/interpreter/bytecode-array-iterator-unittest.cc b/test/unittests/interpreter/bytecode-array-iterator-unittest.cc
index 536122ac173f67e1d9ac57ec4eafea519d08d052..07ecefb5293e18dd8dff7cbb1f9d09e69f36c0ad 100644
--- a/test/unittests/interpreter/bytecode-array-iterator-unittest.cc
+++ b/test/unittests/interpreter/bytecode-array-iterator-unittest.cc
@@ -31,6 +31,8 @@ TEST_F(BytecodeArrayIteratorTest, IteratesBytecodeArray) {
   Smi* smi_1 = Smi::FromInt(-65536);
   Register reg_0(0);
   Register reg_1(1);
+  RegisterList pair(0, 2);
+  RegisterList triple(0, 3);
   Register param = Register::FromParameterIndex(2, builder.parameter_count());
   Handle<String> name = factory->NewStringFromStaticChars("abc");
   int name_index = 2;
@@ -54,8 +56,8 @@ TEST_F(BytecodeArrayIteratorTest, IteratesBytecodeArray) {
       .LoadNamedProperty(reg_1, name, feedback_slot)
       .BinaryOperation(Token::Value::ADD, reg_0, 3)
       .StoreAccumulatorInRegister(param)
-      .CallRuntimeForPair(Runtime::kLoadLookupSlotForCall, param, reg_0)
-      .ForInPrepare(reg_0, reg_0)
+      .CallRuntimeForPair(Runtime::kLoadLookupSlotForCall, param, pair)
+      .ForInPrepare(reg_0, triple)
       .CallRuntime(Runtime::kLoadIC_Miss, reg_0)
       .Debugger()
       .LoadGlobal(0x10000000, TypeofMode::NOT_INSIDE_TYPEOF)