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Ran 03 Dec 2025 05:12AM UTC

Files 171

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Committed 03 Dec 2025 05:07AM UTC coverage: 58.823% (-0.07%) from 58.895%

Job # 19883129620.1

Build Type

push

github

Committed by

fasterthanlime

Commit Message

Fix Option<Enum> variant detection with niche optimization

When peeking at Option<Enum> where the inner enum uses niche
optimization, the previous "all bytes zero = None" heuristic was
incorrect. For enums like `#[repr(u8)] enum E { Variant }`, Rust uses
a non-zero value to represent None, not zero.

Now uses OptionVTable::is_some_fn to correctly determine the active
variant for Option types, which handles all niche optimization cases.

Fixes #998

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