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[web] enable native EH for JSEP/Asyncify build#27306

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fs-eire wants to merge 2 commits intomainfrom
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[web] enable native EH for JSEP/Asyncify build#27306
fs-eire wants to merge 2 commits intomainfrom
fs-eire/jspi

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@fs-eire fs-eire commented Feb 11, 2026

Description

Enables Wasm native exception handling for JSEP and asyncify build.

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fs-eire commented Feb 11, 2026

I expect that using -fwasm-exceptions with ASYNCIFY should be working since emsdk v4.0.21 (see WebAssembly/binaryen#5475). But somehow wasm-opt is not happy with it :(

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fs-eire commented Feb 12, 2026

It looks like native EH is still not supported for asyncify build in latest emsdk.

@fs-eire fs-eire closed this Feb 12, 2026
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