[llvm] [InstCombine] Fold its select user into select (PR #83405)

[Matt Arsenault via llvm-commits]

================
@@ -519,9 +519,13 @@ static bool simplifySeqSelectWithSameCond(SelectInst &SI,
     Value *CondNext;
     while (match(ValOp, m_Select(m_Value(CondNext), m_Value(), m_Value()))) {
       if (CondNext == CondVal)
-        if (Value *S = simplifyWithOpReplaced(ValOp, CondVal, RepOp, SQ,
-                                              /* AllowRefinement */ true)) {
-          IC.replaceOperand(*SINext, OpIndex, S);
+        if (simplifyWithOpReplaced(ValOp, CondVal, RepOp, SQ,
+                                   /* AllowRefinement */ true)) {
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arsenm wrote:

```suggestion
                                   /*AllowRefinement=*/ true)) {
```

https://github.com/llvm/llvm-project/pull/83405