[llvm] [PassManager] Add pretty stack frames (PR #96078)

[Arthur Eubanks via llvm-commits]

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@@ -224,11 +224,21 @@ class PassManager : public PassInfoMixin<
   std::vector<std::unique_ptr<PassConceptT>> Passes;
 };
 
+template <typename IRUnitT>
+void printIRUnitNameForStackTrace(raw_ostream &OS, const IRUnitT &IR);
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aeubanks wrote:

can we put these in PassManagerImpl.h?

https://github.com/llvm/llvm-project/pull/96078