[cfe-dev] How to report bug when compiler hangs

[Jonas Devlieghere via cfe-dev]

> On Oct 4, 2017, at 8:46 PM, Jonathan Roelofs <jonathan at codesourcery.com> wrote:
> 
> Was it actually fixed, or did the symptoms go away because of other changes?

+Volodymyr bisected this and found that the problem was first hidden by r296898 and actually fixed in r297833: [X86][SSE] Fixed shuffle MOVSS/MOVSD combining of all zeroable inputs

> 
> 
> Jon
> 
> On 10/4/17 1:42 PM, Steven Peters via cfe-dev wrote:
>> Wow, thanks Jonas! I guess that settles it if it is fixed already.
>> Regards,
>> Steve
>> On Wed, Oct 4, 2017 at 11:08 AM, Jonas Devlieghere <jdevlieghere at apple.com <mailto:jdevlieghere at apple.com>> wrote:
>>    Hi Steve,
>>    I had a quick look and with the help of creduce I was able to
>>    reproduce this with https://reviews.llvm.org/P8041
>>    It looks like this is already fixed upstream and in the
>>    swift-4.1-branch.
>>    Cheers,
>>    Jonas
> 
> -- 
> Jon Roelofs
> jonathan at codesourcery.com
> CodeSourcery / Mentor Embedded / Siemens