clang patch: ignore the examples directory

Author: andrewrk

clang/CMakeLists.txt

@@ -498,7 +498,6 @@ add_subdirectory(tools)
 add_subdirectory(runtime)
 
 option(CLANG_BUILD_EXAMPLES "Build CLANG example programs by default." OFF)
-add_subdirectory(examples)
 
 if(APPLE)
   # this line is needed as a cleanup to ensure that any CMakeCaches with the old