[llvm] [MemProf] Make sure call clones without callsite node clones get updated (PR #159861)

[Snehasish Kumar via llvm-commits]

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+;; Similar to funcassigncloning.ll but hand modified to add another allocation
+;; whose pruned cold context only includes an immediate caller node that itself
+;; doesn't need cloning, but calls a cloned allocating function, and is in a
+;; function that gets cloned multiple times for a different callsite. This test
+;; makes sure the non-cloned callsite is correctly updated in all function
+;; clones. This case was missed because due to context pruning we don't have any
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snehasish wrote:

Missing a word  somewhere in "context pruning we don't have"?

https://github.com/llvm/llvm-project/pull/159861