Update the wasi toolchain. #105395
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Update the wasi toolchain. #105395
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Update the WASI build to LLVM 15.0 and the wasi-libc version from [wasi-sdk-17]. This will require a ci-mirrors.rust-lang.org file load. Specifically, we need [this LLVM release tarball] uploaded to be downloadable from [this URL]. [this LLVM release tarball]: https://github.com/llvm/llvm-project/releases/download/llvmorg-15.0.6/clang+llvm-15.0.6-x86_64-linux-gnu-ubuntu-18.04.tar.xz [this URL]: https://ci-mirrors.rust-lang.org/rustc/2022-12-06-clang%2Bllvm-15.0.6-x86_64-linux-gnu-ubuntu-18.04.tar.xz [wasi-sdk-17]: https://github.com/WebAssembly/wasi-sdk/releases/tag/wasi-sdk-17
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Uploaded the file to the mirrors. @bors r+ rollup=iffy |
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☀️ Test successful - checks-actions |
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Finished benchmarking commit (ec28f53): comparison URL. Overall result: ❌ regressions - no action needed@rustbot label: -perf-regression Instruction countThis is a highly reliable metric that was used to determine the overall result at the top of this comment.
Max RSS (memory usage)ResultsThis is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.
CyclesThis benchmark run did not return any relevant results for this metric. |
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This seems to have broken CI on stdarch: https://github.com/rust-lang/stdarch/actions/runs/3649419047/jobs/6164079793 |
sunfishcode
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On wasm, the age-old C trick of having a main function which can either have no arguments or argc+argv doesn't work, because wasm requires caller and callee signatures to match. WASI's current strategy is to have compilers mangle main's name to indicate which signature they're using. Rust uses the no-argument form, which should be mangled as `__main_void`. This is needed on wasm32-wasi as of rust-lang#105395.
matthiaskrgr
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…wasi, r=estebank Mangle "main" as "__main_void" on wasm32-wasi On wasm, the age-old C trick of having a main function which can either have no arguments or argc+argv doesn't work, because wasm requires caller and callee signatures to match. WASI's current strategy is to have compilers mangle main's name to indicate which signature they're using. Rust uses the no-argument form, which should be mangled as `__main_void`. This is needed on wasm32-wasi as of rust-lang#105395.
Mark-Simulacrum
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Dec 26, 2022
On wasm, the age-old C trick of having a main function which can either have no arguments or argc+argv doesn't work, because wasm requires caller and callee signatures to match. WASI's current strategy is to have compilers mangle main's name to indicate which signature they're using. Rust uses the no-argument form, which should be mangled as `__main_void`. This is needed on wasm32-wasi as of rust-lang#105395.
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Update the WASI build to LLVM 15.0 and the wasi-libc version from wasi-sdk-17.
This will require a ci-mirrors.rust-lang.org file load. Specifically, we need this LLVM release tarball uploaded to be downloadable from this URL.
The biggest change in wasi-sdk-17 is that user exports no longer automatically run constructor functions. More details at: WebAssembly/WASI#493.