Tricky DMD bug, but I have no idea how to report

[JN]

On Friday, 8 February 2019 at 21:35:34 UTC, H. S. Teoh wrote:
> On Fri, Feb 08, 2019 at 09:23:40PM +0000, JN via 
> Digitalmars-d-learn wrote: [...]
>> I managed to greatly reduce the source code. I have filed a 
>> bug with the reduced testcase 
>> https://issues.dlang.org/show_bug.cgi?id=19662 .
>
> Haha, you were right!  It's a compiler bug, another one of 
> those nasty -O -inline bugs.  Probably a backend codegen bug.  
> Ran into one of those before; was pretty nasty.  Fortunately it 
> got fixed soon(ish) after I made noise about it in the forum. 
> :-P
>
>
> T

Luckily it's not a blocker for me, because it doesn't trigger on 
debug builds, and for release builds I can always use LDC, but 
still it's bugging me (pun intended).