[llvm] [Statepoint] Return undef value for the statepoint of the none token (PR #72552)

[via llvm-commits]

================
@@ -870,6 +870,11 @@ const Value *GCProjectionInst::getStatepoint() const {
   if (isa<UndefValue>(Token))
     return Token;
 
+  // Treat none token as if it was undef here
+  if (isa<ConstantTokenNone>(Token)) {
+    return UndefValue::get(Token->getType());
+  }
----------------
arpilipe wrote:

Nit.
```suggestion
  if (isa<ConstantTokenNone>(Token))
    return UndefValue::get(Token->getType());
```

https://github.com/llvm/llvm-project/pull/72552