[llvm] [Coroutines][LazyCallGraph] resumes are not really SCC (PR #116285)

[Tyler Nowicki via llvm-commits]

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@@ -1720,6 +1720,7 @@ void LazyCallGraph::addSplitRefRecursiveFunctions(
   for (Function *NewFunction : NewFunctions) {
     Node &NewN = initNode(*NewFunction);
 
+    // Make the original function reference each new function
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TylerNowicki wrote:

> another clarifying question, does the original function still always reference all newly split functions?
Yes, that is the case. I don't see that changing.

https://github.com/llvm/llvm-project/pull/116285