Allow make test with ASan / --address-sanitizer

[Gary Lockyer]

I've had a little play with this, it does blow out the test run times in
the order of 5 to 6 times. And there do appear to be issues, I currently
don't have the time to chase these down.

Cheers
Gary

On 03/05/18 20:18, Alexander Bokovoy via samba-technical wrote:
> On to, 03 touko 2018, Andrew Bartlett via samba-technical wrote:
>> On Thu, 2018-05-03 at 16:35 +1200, Andrew Bartlett via samba-technical
>> wrote:
>>> I needed to get AddressSanitizer working to fix the LSA use-after-free
>>> bug and the attached make it all work again.
>>>
>>> Recent versions of GCC require that the library be in LD_PRELOAD before
>>> anything that is linked with libasan.  I use a horrible ldd hack to
>>> find the right library path (sorry, not sorry). 
>>>
>>> Once we get a more modern sn-devel I'll enable this by default in
>>> autobuild. 
>>
>> And this patch allows a developer build with --address-sanitizer
>> enabled. 
>>
>> Please review this also.
> LGTM.
> 
> Pushed to autobuild.
> 

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