[llvm] [LAA] Rename var used to retry with RT-checks (NFC) (PR #147307)

[Ramkumar Ramachandra via llvm-commits]

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@@ -591,7 +591,7 @@ void RuntimePointerChecking::groupChecks(
   //
   // The above case requires that we have an UnknownDependence between
   // accesses to the same underlying object. This cannot happen unless
-  // FoundNonConstantDistanceDependence is set, and therefore UseDependencies
+  // ShouldRetryWithRuntimeChecks is set, and therefore UseDependencies
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artagnon wrote:

Isn't the former comment actually wrong? I will rewrite the comment.

https://github.com/llvm/llvm-project/pull/147307