[llvm] [AArch64][CodeGen] Fix crash when fptrunc returns fp16 with +nofp attr (PR #81724)

[David Green via llvm-commits]

================
@@ -24580,6 +24585,10 @@ void AArch64TargetLowering::ReplaceBITCASTResults(
   EVT VT = N->getValueType(0);
   EVT SrcVT = Op.getValueType();
 
+  if (!Subtarget->hasFPARMv8() &&
----------------
davemgreen wrote:

And then I don't think we will get here, so this can be removed.

https://github.com/llvm/llvm-project/pull/81724