[llvm] UTC: support debug output from LDist (PR #93208)

[Nikita Popov via llvm-commits]

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@@ -120,7 +120,7 @@ namespace {
 /// Maintains the set of instructions of the loop for a partition before
 /// cloning.  After cloning, it hosts the new loop.
 class InstPartition {
-  using InstructionSet = SmallPtrSet<Instruction *, 8>;
+  using InstructionSet = SetVector<Instruction *>;
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nikic wrote:

Does SmallSetVector make sense?

https://github.com/llvm/llvm-project/pull/93208