Add license to memory_adl.cpp

Author: joeatodd

sycl/test/syclcompat/memory_adl.cpp

@@ -1,3 +1,25 @@
+/***************************************************************************
+ *
+ *  Copyright (C) Codeplay Software Ltd.
+ *
+ *  Part of the LLVM Project, under the Apache License v2.0 with LLVM
+ *  Exceptions. See https://llvm.org/LICENSE.txt for license information.
+ *  SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ *  SYCLcompat API
+ *
+ *  memory_adl.cpp
+ *
+ *  Description:
+ *    Tests to ensure global namespace functions don't clash via ADL
+ **************************************************************************/
+
 // RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple %s -fsyntax-only
 // Test that no syclcompat:: functions clash with global namespace fns due to ADL
 #include <sycl/sycl.hpp>