[llvm] [WebAssembly] Print type signature and table for call_indirect (PR #179120)

[Heejin Ahn via llvm-commits]

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aheejin wrote:

Can we just expand this section with `CHECK-NEXT` as we did before, like
```ll
; CHECK-NEXT: .int8 1
; CHECK-NEXT: .int8 43
; CHECK-NEXT: .int8 9
; CHECK-NEXT: .ascii "tail-call"
; CHECK-NEXT: .int8 ?
; CHECK-NEXT: .int8 ?
; CHECK-NEXT: .int8 ?
; CHECK-NEXT: .ascii "reference-types"
```
And I don't think we need to check `.section.unique_caller`

https://github.com/llvm/llvm-project/pull/179120