Add missing file

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@125478 91177308-0d34-0410-b5e6-96231b3b80d8

include/clang/Basic/OpenCLExtensions.def

+//===--- OpenCLExtensions.def - OpenCL extension list -----------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the list of supported OpenCL extensions.
+//
+//===----------------------------------------------------------------------===//
+
+OPENCLEXT(cl_khr_fp64)
+OPENCLEXT(cl_khr_int64_base_atomics)
+OPENCLEXT(cl_khr_int64_extended_atomics)
+OPENCLEXT(cl_khr_fp16)
+OPENCLEXT(cl_khr_gl_sharing)
+OPENCLEXT(cl_khr_gl_event)
+OPENCLEXT(cl_khr_d3d10_sharing)
+OPENCLEXT(cl_khr_global_int32_base_atomics)
+OPENCLEXT(cl_khr_global_int32_extended_atomics)
+OPENCLEXT(cl_khr_local_int32_base_atomics)
+OPENCLEXT(cl_khr_local_int32_extended_atomics)
+OPENCLEXT(cl_khr_byte_addressable_store)
+OPENCLEXT(cl_khr_3d_image_writes)
+
+#undef OPENCLEXT