[llvm] [MemProf] Ensure all callsite clones are assigned a function clone (PR #150735)

[Teresa Johnson via llvm-commits]

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@@ -3995,7 +4024,19 @@ void IndexCallsiteContextGraph::updateCall(CallInfo &CallerCall,
   assert(CI &&
          "Caller cannot be an allocation which should not have profiled calls");
   assert(CI->Clones.size() > CallerCall.cloneNo());
-  CI->Clones[CallerCall.cloneNo()] = CalleeFunc.cloneNo();
+  auto NewCalleeCloneNo = CalleeFunc.cloneNo();
+  auto CurCalleeCloneNo = CI->Clones[CallerCall.cloneNo()];
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teresajohnson wrote:

Clones is a vector, not a map, and we've already asserted just above that it is long enough to contain an entry for this index. Therefore I've kept the code as is for now.

https://github.com/llvm/llvm-project/pull/150735