Linker Error: undefined reference to `internal'

[Walter Bright via Digitalmars-d]

On 10/10/2016 3:20 PM, jython234 wrote:
> I've tracked it down to two lines (which are the same):
>
> private SyncLock lock = new SyncLock();
>
> SyncLock is just an empty class which I use to construct objects for use in
> "synchronized" blocks (not sure if this is the right way to do this). Apparently
> if I move the initialization to the constructor there are no linker errors.

You can use obj2asm to examine the object files to see what is different between 
the two cases.