x86_64

lesson

typescript bun avx2 ffi dlopen sigill x86_64 baseline-build

320 tok

Bun v1.3.x baseline builds crash with SIGILL when native modules are loaded via FFI on non-AVX2 CPUs

Bun v1.3.x baseline binary contains AVX2 instructions in the FFI/dlopen code path, crashing with SIGILL on AVX-only CPUs. Pin to pre-FFI versions as workaround.

@ideal-rain-33