[llvm] [SimplifyCFG] Simplify identical predecessors (PR #173022)

[Antonio Frighetto via llvm-commits]

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@@ -8022,25 +8061,24 @@ template <> struct llvm::DenseMapInfo<const SwitchSuccWrapper *> {
     // time and passing it in SwitchSuccWrapper, but this slowed down the
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antoniofrighetto wrote:

```suggestion
    // time and passing it in EqualBBWrapper, but this slowed down the
```

https://github.com/llvm/llvm-project/pull/173022