[Webkit-unassigned] [Bug 250489] New: [Wasm-GC] Add missing type expansion for arrays, structs

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=250489

            Bug ID: 250489
           Summary: [Wasm-GC] Add missing type expansion for arrays,
                    structs
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebAssembly
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: asumu at igalia.com

There are a few spots where expansion of potentially recursive type definitions is missing in the Wasm GC validator and in the compiler.

This shouldn't cause any crashes, but causes some programs to not validate and run (if they use `sub` and/or `rec` in types and use arrays/structs). Some tests also need to be added for these cases.

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