Re: Use of mcheck during GDB development

Simon Marchi
2016-11-15T22:11:28Z

On 2016-11-15 17:07, Pedro Alves wrote:
> On 11/15/2016 09:58 PM, Simon Marchi wrote:
>> On 2016-11-15 15:50, Pedro Alves wrote:
>>> Yeah, or address sanitizer, which would be closer to being
>>> something you could always have on. Valgrind is too heavyweight
>>> for everyday use. I believe we're not asan clean yet, unfortunately,
>>> but we're slowly getting there.
>>
>> I occasionally build GDB with ASAN when chasing specific bugs, and
>> it's
>> been clean for my practical purposes. Except for many warnings in
>> libpython at startup, I don't know whether they're real or false
>> positives.
>
> I meant when running the GDB testsuite against it. Do you know whether
> asan
> vs non-asan is regression free for you? I haven't tried in a while.

Ah no I've never tested that. But if we have enough resources for the
buildbot, we should run an x86 job with it enabled.