Revert "Turned off clang warnings in third party includes."

This reverts commit d53093953f8f3b58600cb19020ecbe0b5f254b52.

intern/cycles/device/device_cpu.cpp

@@ -21,10 +21,7 @@
 #ifdef WITH_OSL
 /* So no context pollution happens from indirectly included windows.h */
 #  include "util/util_windows.h"
-#  pragma clang diagnostic push
-#  pragma clang diagnostic ignored "-Wdeprecated-register"
 #  include <OSL/oslexec.h>
-#  pragma clang diagnostic pop
 #endif
 
 #include "device/device.h"

intern/cycles/kernel/osl/osl_closures.cpp

@@ -30,12 +30,8 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wdeprecated-register"
-#pragma clang diagnostic ignored "-Wexpansion-to-defined"
 #include <OSL/genclosure.h>
 #include <OSL/oslclosure.h>
-#pragma clang diagnostic pop
 
 #include "kernel/osl/osl_closures.h"
 #include "kernel/osl/osl_shader.h"

intern/cycles/kernel/osl/osl_shader.cpp

@@ -14,10 +14,7 @@
  * limitations under the License.
  */
 
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wdeprecated-register"
 #include <OSL/oslexec.h>
-#pragma clang diagnostic pop
 
 #include "kernel/kernel_compat_cpu.h"
 #include "kernel/kernel_montecarlo.h"

intern/cycles/render/shader.h

@@ -20,10 +20,7 @@
 #ifdef WITH_OSL
 /* So no context pollution happens from indirectly included windows.h */
 #  include "util/util_windows.h"
-#  pragma clang diagnostic push
-#  pragma clang diagnostic ignored "-Wdeprecated-register"
 #  include <OSL/oslexec.h>
-#  pragma clang diagnostic pop
 #endif
 
 #include "render/attribute.h"

intern/cycles/util/util_image.h

@@ -19,11 +19,7 @@
 
 /* OpenImageIO is used for all image file reading and writing. */
 
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wdeprecated-register"
-#pragma clang diagnostic ignored "-Wexpansion-to-defined"
 #include <OpenImageIO/imageio.h>
-#pragma clang diagnostic pop
 
 #include "util/util_vector.h"
 

intern/cycles/util/util_param.h

@@ -20,13 +20,9 @@
 /* Parameter value lists from OpenImageIO are used to store custom properties
  * on various data, which can then later be used in shaders. */
 
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wdeprecated-register"
-#pragma clang diagnostic ignored "-Wexpansion-to-defined"
 #include <OpenImageIO/paramlist.h>
 #include <OpenImageIO/typedesc.h>
 #include <OpenImageIO/ustring.h>
-#pragma clang diagnostic pop
 
 CCL_NAMESPACE_BEGIN
 

source/blender/imbuf/intern/openexr/openexr_api.cpp

@@ -40,9 +40,6 @@
 #include <algorithm>
 #include <iostream>
 
-
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Wdeprecated-register"
 #include <half.h>
 #include <Iex.h>
 #include <ImfVersion.h>
@@ -67,7 +64,6 @@
 #include <ImfTiledOutputPart.h>
 #include <ImfPartType.h>
 #include <ImfPartHelper.h>
-#pragma clang diagnostic pop
 
 #include "DNA_scene_types.h" /* For OpenEXR compression constants */