pmsjt wrote:

> How do epilogs work in chained unwind tables? Do the epilog opcodes from the 
> original table get ignored?

They are additive. When execution is on a fragment, it is assumed that all 
unwind opcodes from the parent fragment(s), all the way to the principal 
fragment, are already applied.

https://github.com/llvm/llvm-project/pull/129142
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