[Interpreter] Bytecode graph builder

test/cctest/interpreter/test-bytecode-generator.cc

 // Copyright 2015 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 "src/compiler.h"
 #include "src/interpreter/bytecode-generator.h"
 #include "src/interpreter/interpreter.h"
 #include "test/cctest/cctest.h"
 
 namespace v8 {
 namespace internal {
 namespace interpreter {
 
 class BytecodeGeneratorHelper {
  public:
   const char* kFunctionName = "f";
 
   const int kLastParamIndex =
       -InterpreterFrameConstants::kLastParamFromRegisterPointer / kPointerSize;
 
   BytecodeGeneratorHelper() {
     i::FLAG_vector_stores = true;
     i::FLAG_ignition = true;
-    i::FLAG_ignition_filter = kFunctionName;
+    i::FLAG_ignition_filter = StrDup(kFunctionName);
+    i::FLAG_always_opt = false;
     CcTest::i_isolate()->interpreter()->Initialize();
   }
 
 
   Factory* factory() { return CcTest::i_isolate()->factory(); }
 
 
   Handle<BytecodeArray> MakeBytecode(const char* script,
                                      const char* function_name) {
     CompileRun(script);
@@ skipping 483 matching lines @@
       Handle<String> expected =
           helper.factory()->NewStringFromAsciiChecked(snippets[i].constants[j]);
       CHECK(String::cast(ba->constant_pool()->get(j))->Equals(*expected));
     }
   }
 }
 
 }  // namespace interpreter
 }  // namespace internal
 }  // namespance v8