OSX 1.5.0 and 1.6.0: ASan was missing

[kinke]

On Tuesday, 26 December 2017 at 20:49:21 UTC, Johan Engelen wrote:
>> We should probably still do a 1.6.1 release soon with that 
>> shared library error reporting patch, since we've been getting 
>> multiple reports of that.
>
> Fine by me.

Not really required IMO, I mean, why only backport it for 1.6 if 
1.7 is basically ready and older versions are affected as well.

Btw, the -2 packages are still missing the JIT runtime, which was 
fixed by the automated builds too.