Issue with struct invariants

[Paul Backus]

On Wednesday, 5 March 2025 at 16:58:18 UTC, Kirill Kryukov wrote:
> Hi all,
>
> I was debugging an old project that started crashing after 
> upgrading to a recent toolchain. I noticed that commenting out 
> invariants helps. I reduced it to the following:

[...]

> Is this a bug, or am I misunderstanding something?
>
> Compiled with "gdc -Og -o repro repro.d", using gdc (GCC) 
> 14.2.1 20240912 (Red Hat 14.2.1-3), on Linux.
>
> Thanks.

I tried compiling your example using both DMD and LDC, and was 
unable to reproduce the crash. So this may be a GDC-specific 
problem.