[llvm] [llvm] Win x64 Unwind V2 2/n: Support dumping UOP_Epilog (PR #110338)

[Eli Friedman via llvm-commits]

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@@ -301,11 +301,30 @@ static void printUnwindCode(ArrayRef<UnwindCode> UCs) {
     outs() << " " << (UCs[0].getOpInfo() ? "w/o" : "w")
            << " error code";
     break;
+
+  case UOP_Epilog:
+    if (SeenFirstEpilog) {
+      uint32_t Offset = (UCs[0].getOpInfo() << 8) |
+                        static_cast<uint32_t>(UCs[0].u.CodeOffset);
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efriedma-quic wrote:

Would it make sense to package up this math into a helper in Win64EH.h?

https://github.com/llvm/llvm-project/pull/110338