[llvm] [LAA] Always use DepCands when grouping runtime checks. (PR #91196)

[Michael Kruse via llvm-commits]

================
@@ -233,6 +233,18 @@ class EquivalenceClasses {
     return findLeader(TheMapping.find(V));
   }
 
+  /// Erase the class containing \p V.
+  void eraseClass(const ElemTy &V) {
+    if (TheMapping.find(V) == TheMapping.end())
+      return;
+    auto LeaderI = findValue(getLeaderValue(V));
----------------
Meinersbur wrote:

```suggestion
    if (TheMapping.find(V) == TheMapping.end())
      return;
    iterator LeaderI = findValue(getLeaderValue(V));
```

https://github.com/llvm/llvm-project/pull/91196