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Couple of misc improvements to the unwind infrastructure - #160440

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bjorn3 wants to merge 4 commits into
rust-lang:mainfrom
bjorn3:refactor_unwind4
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Couple of misc improvements to the unwind infrastructure#160440
bjorn3 wants to merge 4 commits into
rust-lang:mainfrom
bjorn3:refactor_unwind4

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@bjorn3

@bjorn3 bjorn3 commented Aug 3, 2026

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  • Fix _Unwind_Exception size on Emscripten.
  • Move a link block.
  • Remove some manual dummy impls where there is already a dummy fallback.

Follow up to #159785

bjorn3 added 4 commits August 3, 2026 15:43
The 20 word requirement was likely from the JS EH ABI which we no longer
support.
And change the dummy impl to use __rust_abort to match panic_abort.
@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-libs Relevant to the library team, which will review and decide on the PR/issue. labels Aug 3, 2026
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r? @Mark-Simulacrum

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rust-bors Bot commented Aug 8, 2026

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☔ The latest upstream changes (presumably #160725) made this pull request unmergeable. Please resolve the merge conflicts by rebasing.

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