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Support wasm64-unknown-emscripten - #17620

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madsmtm:wasm64-emscripten

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@madsmtm

@madsmtm madsmtm commented Oct 22, 2026

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What does this PR try to resolve?

Add support for the wasm64-unknown-emscripten target introduced in rust-lang/rust#163808.

Notes to reviewers

I didn't test this yet, but it felt very trivial (I simply searched the codebase for instances of "emscripten", and made them more general than wasm32-unknown-emscripten).

🤖 LLM involvement: None.

@rustbot rustbot added A-cfg-expr Area: Platform cfg expressions A-layout Area: target output directory layout, naming, and organization labels Oct 22, 2026

@weihanglo weihanglo left a comment •

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Looks reasonable to me. Once the new target is accepted, should be good to go.

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