Re: [Gm2] gm2-20190709 on gcc-9.1.0 build failure

[Gaius Mulley]

Gaius Mulley <address@hidden> writes:

> Gaius Mulley <address@hidden> writes:
>
>> john o goyo <address@hidden> writes:
>>
>>> On 07/26/19 18:34, Gaius Mulley wrote (in part):
>>>> john o goyo <address@hidden> writes (in part):
>>>>> Indeed it has, Gaius, and back to the old ShiftLeft problem, which I
>>>>> will track one in due course.
>>>> Hi John,
>>>>
>>>> thanks for the reminder - I think adding extra regression tests to slice
>>>> up ShiftLeft would be interesting - hopefully will have a few written in
>>>> the next few days,
>>>
>>> Thank you, Gaius, that would be much appreciated.  The fact is, I
>>> quite ignorant of the inner workings of gcc.  Hunting down the problem
>>> would take me an enormous amount of time.
>>
>> Hi John,
>>
>> I've written 34 extra tests programs which are now part of the
>> testsuite.  (testsuite/gm2/sets/run/pass/*.mod).  It would be
>> interesting to know if they misbehave on your machine.  They test single
>> word set operators and also double word sets.
>>
>> Checked into gcc-trunk at present,
>
> and now backported to gcc-9.1.0

Hi John,

I think they have just shown a problem in multisets - at least this is
what I see on the x86_64.  I've just seen it and not yet investigated
but it could be useful,

gm2/sets/run/pass/multisetrotate3.mod fails currently,


regards,
Gaius