[llvm] [NFC][AlwaysInliner] Reduce AlwaysInliner memory consumption. (PR #96958)

[Arthur Eubanks via llvm-commits]

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@@ -38,6 +38,7 @@ bool AlwaysInlineImpl(
   SmallSetVector<CallBase *, 16> Calls;
   bool Changed = false;
   SmallVector<Function *, 16> InlinedFunctions;
+  SmallVector<Function *, 16> WorkList;
   for (Function &F : M) {
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aeubanks wrote:

I think we can do `for (Function &F: make_early_inc_range(M))` to enable deleting in this loop

https://github.com/llvm/llvm-project/pull/96958