Index: include/clang/Basic/OpenCLExtensions.def
===================================================================
--- include/clang/Basic/OpenCLExtensions.def
+++ include/clang/Basic/OpenCLExtensions.def
@@ -85,6 +85,7 @@
 // Intel OpenCL extensions
 OPENCLEXT_INTERNAL(cl_intel_subgroups, 120, ~0U)
 OPENCLEXT_INTERNAL(cl_intel_subgroups_short, 120, ~0U)
+OPENCLEXT_INTERNAL(cl_intel_planar_yuv, 120, ~0U)
 
 #undef OPENCLEXT_INTERNAL
 
Index: test/SemaOpenCL/extension-version.cl
===================================================================
--- test/SemaOpenCL/extension-version.cl
+++ test/SemaOpenCL/extension-version.cl
@@ -300,3 +300,11 @@
 #endif
 #pragma OPENCL EXTENSION cl_intel_subgroups_short : enable
 
+#if (__OPENCL_C_VERSION__ >= 120)
+#ifndef cl_intel_planar_yuv
+#error "Missing cl_intel_planar_yuv define"
+#endif
+#else
+// expected-warning@+2{{unsupported OpenCL extension 'cl_intel_planar_yuv' - ignoring}}
+#endif
+#pragma OPENCL EXTENSION cl_intel_planar_yuv : enable