Method EnableCodegenCache

be/src/codegen/llvm-codegen-test.cc:658–661

  }

  void EnableCodegenCache() {
    test_env_->ResetCodegenCache(metrics_.get());
    EXPECT_OK(test_env_->codegen_cache()->Init(1024*1024));
  }

  // Wrapper to call private test-only methods on LlvmCodeGen object
  Status CreateFromFile(const string& filename, scoped_ptr<LlvmCodeGen>* codegen) {