This brings in a number of SIMD opcode renames, various other test suite updates, as well as some new proposed SIMD opcodes too.
This is the wasmtime-jit crate, which contains JIT-based execution
for wasm, using the wasm ABI defined by wasmtime-environ and the
runtime support provided by wasmtime-runtime.
Most users will want to use the main wasmtime crate instead of using this
crate directly.