Another crash

forax at forax at
Thu Jan 16 21:47:56 UTC 2020

The tests pass with -XX:UseAVX=2
so yes it's again related to the use AVX3. 

same crash with no -XX:AVX=2

no crash with -XX:AVX=2


----- Mail original -----
> De: "Alan Bateman" <Alan.Bateman at>
> À: "Remi Forax" <forax at>, "loom-dev" <loom-dev at>
> Envoyé: Jeudi 16 Janvier 2020 11:09:42
> Objet: Re: Another crash

> On 16/01/2020 00:50, Remi Forax wrote:
>> ----- Mail original -----
>>> De: "Remi Forax" <forax at>
>>> À: "loom-dev" <loom-dev at>
>>> Envoyé: Jeudi 16 Janvier 2020 01:45:06
>>> Objet: Another crash
>>> Another crash :)
>>> the step to reproduce is to clone "" and type "bash
>> forget to say that like the other crash, the same command works fine on macOS.
> The other crash was UseAVX=3 which we haven't been testing with to date.
> Ron pushed a fix to get the build going for processors that support that
> but there may be other issues and the SIGILL you are seeing on this
> machine may be related. Can you test with UseAVX=2 and see if you get
> over it?
> -Alan

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