[turbofan] Enable deoptimization for non-asm.js TurboFan code.

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"
@@ skipping 151 matching lines @@
     return BailoutId(-1);
   }
 };
 
 
 TEST(TurboTrivialDeoptCodegen) {
   HandleAndZoneScope scope;
   InitializedHandleScope handles;
 
   FLAG_allow_natives_syntax = true;
-  FLAG_turbo_deoptimization = true;
 
   TrivialDeoptCodegenTester t(&scope);
   t.GenerateCode();
 
   DeoptimizationInputData* data =
       DeoptimizationInputData::cast(t.result_code->deoptimization_data());
 
   // TODO(jarin) Find a way to test the safepoint.
 
   // Check that we deoptimize to the right AST id.
   CHECK_EQ(1, data->DeoptCount());
   CHECK_EQ(t.bailout_id.ToInt(), data->AstId(0).ToInt());
 }
 
 
 TEST(TurboTrivialDeoptCodegenAndRun) {
   HandleAndZoneScope scope;
   InitializedHandleScope handles;
 
   FLAG_allow_natives_syntax = true;
-  FLAG_turbo_deoptimization = true;
 
   TrivialDeoptCodegenTester t(&scope);
   t.GenerateCode();
 
   t.function->ReplaceCode(*t.result_code);
   t.info.context()->native_context()->AddOptimizedCode(*t.result_code);
 
   Isolate* isolate = scope.main_isolate();
   Handle<Object> result;
   bool has_pending_exception =
@@ skipping 71 matching lines @@
     return BailoutId(-1);
   }
 };
 
 
 TEST(TurboTrivialRuntimeDeoptCodegenAndRun) {
   HandleAndZoneScope scope;
   InitializedHandleScope handles;
 
   FLAG_allow_natives_syntax = true;
-  FLAG_turbo_deoptimization = true;
 
   TrivialRuntimeDeoptCodegenTester t(&scope);
   t.GenerateCode();
 
   t.function->ReplaceCode(*t.result_code);
   t.info.context()->native_context()->AddOptimizedCode(*t.result_code);
 
   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