[clang] [clang] Lower non-builtin sincos[f|l] calls to llvm.sincos.* when -fno-math-errno is set (PR #121763)

[Benjamin Maxwell via cfe-commits]

MacDue wrote:

Given it looks like #123787 won't be accepted (due to compile time regressions), I think we should restrict this lowering to AArch64 (and other supported targets) until there's a solution for targets without AA in codegen too. Does that seem reasonable?  

https://github.com/llvm/llvm-project/pull/121763