Marcel has been working on it and says he got it working by getting rid of some warnings... Hopefully he'll be able to contribute a patch soon, but I'm not 100% sure that any of the warnings he fixed could have caused the instability, so it's more likely to be something related to his compiler setup.
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
There's actually some info here: https://github.com/espruino/Espruino/issues/327
Marcel has been working on it and says he got it working by getting rid of some warnings... Hopefully he'll be able to contribute a patch soon, but I'm not 100% sure that any of the warnings he fixed could have caused the instability, so it's more likely to be something related to his compiler setup.