On 24 Aug 2017, at 23:48, Hans Wennborg <h...@chromium.org> wrote:
> 
> On Mon, Aug 14, 2017 at 3:36 AM, Dimitry Andric <dimi...@andric.com> wrote:
>> On 11 Aug 2017, at 04:00, Hans Wennborg via Release-testers 
>> <release-test...@lists.llvm.org> wrote:
>>> 5.0.0-rc2 was just tagged.
>>> 
>>> I know we still have a bunch of open release blockers, but there has
>>> been a lot of merged patches and I'd like to find out what the status
>>> is.
>> 
>> As in the last rc, most of the ASan tests failed with either:
>> 
>> [  DEATH   ] ==5754==AddressSanitizer CHECK failed: 
>> /home/dim/llvm-5.0.0/rc2/llvm.src/projects/compiler-rt/lib/asan/asan_errors.h:99
>>  "((second_free_stack->size)) > ((0))" (0x0, 0x0)
>> 
>> or:
>> 
>> [  DEATH   ] ==7514==AddressSanitizer CHECK failed: 
>> /home/dim/llvm-5.0.0/rc2/llvm.src/projects/compiler-rt/lib/asan/asan_descriptions.cc:176
>>  "((id)) != (0)" (0x0, 0x0)
>> 
>> This is likely due to r305058, as mentioned in my report for rc1.
> 
> Was there ever any progress on this, or at least a bug report filed?

No progress, but I just filed https://bugs.llvm.org/show_bug.cgi?id=34324 so it 
hopefully won't get lost.


> Do you think it's just the tests that are failing, or does it mean
> ASan is broken on FreeBSD? How severe is this issue from your
> perspective?

It looks like the tests are failing, but simple programs compiled with 
-fsanitize=address seem to work.  I haven't tested it extensively, though.

I'm not completely happy with the situation, as we also have some major 
problems with AddressSanitizer on FreeBSD 12.0 (though this isn't the fault of 
compiler-rt).  But there's no need to block the release for this.

-Dimitry

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