gdc 12.1: undefined references when linking separately compiled files

[kdevel]

On Saturday, 28 May 2022 at 14:37:07 UTC, kdevel wrote:
> dmd:
>
> ```
> $ dmd -c ppinsta.d
> $ dmd -c parser.d
> $ dmd -of=ppinsta ppinsta.o parser.o
> $ ./ppinsta
> []
> ```
> (checking ldc/ldmd2 later)

```
$ ldc2 -c ppinsta.d && ldc2 -c parser.d && ldc2 -of=ppinsta 
ppinsta.o parser.o && ./ppinsta
[]

$ ldmd2 -c ppinsta.d && ldmd2 -c parser.d && ldmd2 -of=ppinsta 
ppinsta.o parser.o && ./ppinsta
[]
```

Both okay.