Cryptic bug for DMD v2.087.x

[Daniel Kozak]

On Mon, Aug 19, 2019 at 12:38 PM Daniel Kozak <kozzi11 at gmail.com> wrote:
>
> On Mon, Aug 19, 2019 at 12:30 PM ag0aep6g via Digitalmars-d
> <digitalmars-d at puremagic.com> wrote:
> >
> > Reduced further:
> >
> > ----
> > real sin(real x) { return 0; }
> > double V2_V1_obl(double beta)
> > {
> >      return sin(beta) / sin(sin(beta));
> > }
> > ----
>
> https://run.dlang.io/is/IEmbQ8

Up to      2.066.0: Success with output: -nan
           2.067.1: Failure with output: Internal error: backend/evalu8.c 1274
           2.068.2: Failure with output: Internal error: backend/evalu8.c 1273
2.069.2 to 2.070.2: Failure with output: Internal error: backend/evalu8.c 1271
           2.071.2: Failure with output: Internal error: backend/evalu8.c 1260
           2.072.2: Failure with output: Internal error: backend/evalu8.c 1261
           2.073.2: Failure with output: Internal error: backend/evalu8.c 1296
2.074.1 to 2.075.1: Failure with output: Internal error:
ddmd/backend/evalu8.c 1297
2.076.1 to 2.077.1: Failure with output: Internal error:
ddmd/backend/evalu8.c 1296
           2.078.1: Failure with output: Internal error:
dmd/backend/evalu8.c 1296
           2.079.1: Failure with output: Internal error:
dmd/backend/evalu8.c 1030
           2.080.1: Failure with output: Internal error:
dmd/backend/evalu8.c 1028
Since      2.081.2: Status -4 and no output