[llvm] [Utils] Extract CollectDebugInfoForCloning from CloneFunctionInto (PR #114537)

[Felipe de Azevedo Piovezan via llvm-commits]

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@@ -207,6 +207,20 @@ void CloneAndPruneFunctionInto(Function *NewFunc, const Function *OldFunc,
                                const char *NameSuffix = "",
                                ClonedCodeInfo *CodeInfo = nullptr);
 
+/// Collect debug information such as types, compile units, and other
+/// subprograms that are reachable from \p F and can be considered global for
+/// the purposes of cloning (and hence not needing to be cloned).
+///
+/// The latter depends on \p Changes: when cloning into the same module we
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felipepiovezan wrote:

Nit: it's unusual to use "the latter" after switching paragraphs. I'm assuming you are referring to "subprograms" here (note how far it is in the text), in which case we should replace "the latter" with "cloning subprograms"

https://github.com/llvm/llvm-project/pull/114537