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Introduce perma-unstable wasm-c-abi flag

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daxpedda 2024-02-27 23:06:44 +01:00
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src/doc/unstable-book/src/compiler-flags/wasm-c-abi.md Normal file
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# `wasm-c-abi`
This option controls whether Rust uses the spec-compliant C ABI when compiling
for the `wasm32-unknown-unknown` target.
This makes it possible to be ABI-compatible with all other spec-compliant Wasm
like Rusts `wasm32-wasi`.
This compiler flag is perma-unstable, as it will be enabled by default in the
future with no option to fall back to the old non-spec-compliant ABI.