[Interpreter] Add CallRuntime support to the interpreter.

test/cctest/interpreter/test-interpreter.cc

Index: test/cctest/interpreter/test-interpreter.cc
diff --git a/test/cctest/interpreter/test-interpreter.cc b/test/cctest/interpreter/test-interpreter.cc
index 701a369280b27870dae1443174beadbdb159dc59..a64f37fc5e9435695849438960bef19e813bb204 100644
--- a/test/cctest/interpreter/test-interpreter.cc
+++ b/test/cctest/interpreter/test-interpreter.cc
@@ -974,3 +974,25 @@ TEST(InterpreterConditionalJumps) {
   Handle<Object> return_value = callable().ToHandleChecked();
   CHECK_EQ(Smi::cast(*return_value)->value(), 7);
 }
+
+
+TEST(InterpreterCallRuntime) {
+  HandleAndZoneScope handles;
+
+  BytecodeArrayBuilder builder(handles.main_isolate(), handles.main_zone());
+  builder.set_locals_count(2);
+  builder.set_parameter_count(1);
+  builder.LoadLiteral(Smi::FromInt(15))
+      .StoreAccumulatorInRegister(Register(0))
+      .LoadLiteral(Smi::FromInt(40))
+      .StoreAccumulatorInRegister(Register(1))
+      .CallRuntime(Runtime::kAdd, Register(0), 2)
+      .Return();
+  Handle<BytecodeArray> bytecode_array = builder.ToBytecodeArray();
+
+  InterpreterTester tester(handles.main_isolate(), bytecode_array);
+  auto callable = tester.GetCallable<>();
+
+  Handle<Object> return_val = callable().ToHandleChecked();
+  CHECK_EQ(Smi::cast(*return_val), Smi::FromInt(55));
+}