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[Stack Switch] Do not error on resume_throw_ref in SubtypingDiscoverer#8151

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kripken merged 3 commits into
WebAssembly:mainfrom
kripken:fuzz.resume_throw_ref
Dec 19, 2025
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[Stack Switch] Do not error on resume_throw_ref in SubtypingDiscoverer#8151
kripken merged 3 commits into
WebAssembly:mainfrom
kripken:fuzz.resume_throw_ref

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@kripken kripken commented Dec 19, 2025

The tag is null on resume_throw_ref, so we must not try to read it.

Diff without whitespace is smaller.

@kripken kripken requested a review from tlively December 19, 2025 16:45
Comment thread test/lit/passes/unsubtyping-stack-switching.wast Outdated
Co-authored-by: Thomas Lively <tlively123@gmail.com>
@kripken kripken enabled auto-merge (squash) December 19, 2025 21:37
@kripken kripken merged commit 4e79ec0 into WebAssembly:main Dec 19, 2025
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@kripken kripken deleted the fuzz.resume_throw_ref branch December 20, 2025 00:11
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2 participants