[llvm] [RISCV] Mark sincos libcalls as available for RISC-V (PR #168708)

[Luke Lau via llvm-commits]

================
@@ -2452,6 +2452,7 @@ def RISCVSystemLibrary
       (add DefaultRuntimeLibcallImpls,
            exp10f, exp10, exp10l_f128,
            __riscv_flush_icache,
+           LibmHasSinCosF32, LibmHasSinCosF64, LibmHasSinCosF128,
----------------
lukel97 wrote:

Is it possible to test the sincos f128 libcall?

https://github.com/llvm/llvm-project/pull/168708