[PATCH] D28860: [OpenCL] Diagnose write_only image3d when extension is disabled

[Sven van Haastregt via Phabricator via cfe-commits]

svenvh created this revision.

Prior to OpenCL 2.0, image3d_t can only be used with the write_only
access qualifier when the cl_khr_3d_image_writes extension is enabled.
Clang did not diagnose write_only image3d arguments when the extension
was disabled.

Guard uses of write_only image3d in the OpenCL header.


https://reviews.llvm.org/D28860

Files:
  lib/Headers/opencl-c.h
  lib/Sema/SemaType.cpp
  test/Headers/opencl-c-header.cl
  test/SemaOpenCL/access-qualifier.cl

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