[llvm] X86: Emit adox instead of adc for overflow add (PR #216609)

[Craig Topper via llvm-commits]

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@@ -1459,7 +1459,7 @@ let Uses = [RDX] in
 //===----------------------------------------------------------------------===//
 // ADCX and ADOX Instructions
 //
-// We don't have patterns for these as there is no advantage over ADC for
+// We don't have patterns for ACX as there is no advantage over ADC for
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topperc wrote:

```suggestion
// We don't have patterns for ADCX as there is no advantage over ADC for
```

https://github.com/llvm/llvm-project/pull/216609