Stream: git-wasmtime

Topic: wasmtime / PR #14196 [gc_fuzz]: Add new GC ops to the fuz...

Wasmtime GitHub notifications bot (Aug 24 2026 at 18:59):

khagankhan requested fitzgen for a review on PR #14196.

Wasmtime GitHub notifications bot (Aug 24 2026 at 18:59):

khagankhan requested wasmtime-fuzz-reviewers for a review on PR #14196.

Wasmtime GitHub notifications bot (Aug 24 2026 at 18:59):

khagankhan opened PR #14196 from khagankhan:array-ops to bytecodealliance:main:

This PR adds new GC ops to the existing setup.

• `array.fill'
• array.copy
• array.new_elem
• array.new_fixed

+cc @fitzgen

Wasmtime GitHub notifications bot (Aug 24 2026 at 19:00):

khagankhan edited PR #14196.

Wasmtime GitHub notifications bot (Aug 24 2026 at 19:01):

khagankhan edited PR #14196.

Wasmtime GitHub notifications bot (Aug 24 2026 at 20:52):

github-actions[bot] added the label fuzzing on PR #14196.

Wasmtime GitHub notifications bot (Aug 24 2026 at 20:53):

github-actions[bot] commented on PR #14196:

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Wasmtime GitHub notifications bot (Aug 24 2026 at 22:33):

:memo: fitzgen submitted PR review:

Generally looks good but confused about one part bel

Wasmtime GitHub notifications bot (Aug 24 2026 at 22:33):

:speech_balloon: fitzgen created PR review comment:

I don't understand the purpose of this change?

Wasmtime GitHub notifications bot (Aug 24 2026 at 22:34):

:memo: fitzgen submitted PR review:

Generally looks good but confused about one part below

Wasmtime GitHub notifications bot (Aug 25 2026 at 22:36):

:memo: khagankhan submitted PR review.

Wasmtime GitHub notifications bot (Aug 25 2026 at 22:36):

:speech_balloon: khagankhan created PR review comment:

This second bank of locals is for array.copy. Because both operands can be the same concrete array type and array.copy traps on Null it needs two locals for src and dst when checking. I

P.S. It also does it for struct locals too but I did not want to "separate" arrays from structs atm.

Last updated: Aug 30 2026 at 10:08 UTC