Segfault when running Lua example on macOS 10.14.1

[samdoiron]

When running the lua.wasm example on macOS 10.14.1 the program segfaults when you attempt to define a function.

Reproduction:

examples :: λ → wasmer run lua.wasm
Lua 5.4.0  Copyright (C) 1994-2018 Lua.org, PUC-Rio
> function foo
"Runtime(Unknown { msg: \"trap at 0x0 - segmentation violation\" })"

[lachlansneff]

Hi!

Yeah, we've also run into this issue recently. Lua uses setjmp and longjmp internally to approximate exceptions and it's actually impossible for us to safely emulate those two functions until we support wasm exceptions.

[syrusakbary]

We actually found a solution imitating the error handling that emscripten does in js (thanks to #338).

Lua will be running properly once #334 is merged

[syrusakbary]

This is now fixed in wasmer 0.3.0. Closing the issue