GCC 5.0 Outruns LLVM 3.5 Compiler By A Bit On Core-AVX2

[name99]

One of the main reasons why the non-copyleft LLVM project was started was to allow Apple to entrap customers with proprietary extensions (embrance and extend) that don't exist in the open source version of LLVM

Please do share with us the details of this bizarre conspiracy..
What exactly are the proprietary extensions Apple has added to LLVM?