[clang] Always honor fp-contract pragmas on PlayStation (PR #162549)

[Andy Kaylor via cfe-commits]

andykaylor wrote:

I continue to believe that ignoring pragmas when fast-math is enabled is a bug, and I'd like to see a more general change such as I proposed in `https://github.com/llvm/llvm-project/pull/105746`.

https://github.com/llvm/llvm-project/pull/162549