[Backport 3.2] wasm: align fiber stack pointer to 16 bytes #12100
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In WebAssembly C ABI, the linear stack pointer must be always aligned to 16 bytes like other archs. The misaligned stack pointer causes some weird memory corruption since compiler assumes the aligned stack pointer.
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Looks to be merged already in 1fc0895. |
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In WebAssembly C ABI, the linear stack pointer must be always aligned to 16 bytes like other archs.
The misaligned stack pointer causes some weird memory corruption since compiler assumes the aligned stack pointer.
Backport ticket: https://bugs.ruby-lang.org/issues/20898