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[47.0.0] A few more minor backports#13864

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[47.0.0] A few more minor backports#13864
alexcrichton wants to merge 2 commits into
bytecodealliance:release-47.0.0from
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fitzgen and others added 2 commits July 10, 2026 17:11
…ce#13832)

The `debug_assert` parsed as `module & (!MODULE_MASK >> MODULE_OFFSET)` rather
than the intended `module & !(MODULE_MASK >> MODULE_OFFSET)`.
Fixes bytecodealliance#13746

Optimizes the fallback sequence emitted in clz/ctz for the x64 backend,
emitting a conditional move to ensure that the destination register is
always defined when the source register is zero.
@alexcrichton alexcrichton requested review from a team as code owners July 11, 2026 00:13
@alexcrichton alexcrichton requested review from dicej and removed request for a team July 11, 2026 00:13
@github-actions github-actions Bot added the winch Winch issues or pull requests label Jul 11, 2026
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