[llvm] [MemProf] Handle missing tail call frames (PR #75823)

[Snehasish Kumar via llvm-commits]

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@@ -1604,20 +1666,29 @@ void CallsiteContextGraph<DerivedCCG, FuncTy,
   // this transformation for regular LTO, and for ThinLTO we can simulate that
   // effect in the summary and perform the actual speculative devirtualization
   // while cloning in the ThinLTO backend.
+
+  // Keep track of the new nodes synthesizes for discovered tail calls missing
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snehasish wrote:

typo: synthesized

https://github.com/llvm/llvm-project/pull/75823