[clang] Sort attributes according to source position before printing (PR #162556)

[Giuliano Belinassi via cfe-commits]

giulianobelinassi wrote:

I created https://github.com/llvm/llvm-project/pull/162687 which just changes the order in which the `asm` attribute is registered.

https://github.com/llvm/llvm-project/pull/162556