Fix MIPS build: use stubbed-out TF implementation

test/cctest/compiler/test-codegen-deopt.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 #include "test/cctest/cctest.h"
 
 #include "src/compiler/code-generator.h"
 #include "src/compiler/common-operator.h"
 #include "src/compiler/graph.h"
 #include "src/compiler/instruction-selector.h"
 #include "src/compiler/machine-operator.h"
 #include "src/compiler/node.h"
 #include "src/compiler/operator.h"
 #include "src/compiler/raw-machine-assembler.h"
 #include "src/compiler/register-allocator.h"
 #include "src/compiler/schedule.h"
 
 #include "src/full-codegen.h"
 #include "src/parser.h"
 #include "src/rewriter.h"
 
 #include "test/cctest/compiler/function-tester.h"
 
 using namespace v8::internal;
 using namespace v8::internal::compiler;
 
+
+#if V8_TURBOFAN_TARGET
+
 typedef RawMachineAssembler::Label MLabel;
 
 static Handle<JSFunction> NewFunction(const char* source) {
   return v8::Utils::OpenHandle(
       *v8::Handle<v8::Function>::Cast(CompileRun(source)));
 }
 
 
 class DeoptCodegenTester {
  public:
@@ skipping 284 matching lines @@
 
   Isolate* isolate = scope.main_isolate();
   Handle<Object> result;
   bool has_pending_exception =
       !Execution::Call(isolate, t.function,
                        isolate->factory()->undefined_value(), 0, NULL,
                        false).ToHandle(&result);
   CHECK(!has_pending_exception);
   CHECK(result->SameValue(Smi::FromInt(42)));
 }
+
+#endif