GC pathological case behaviour

[Ola Fosheim Grøstad via Digitalmars-d]

On Tuesday, 28 June 2016 at 19:03:14 UTC, John Colvin wrote:
> This is very odd, no? I'm not sure if it's a bug, but it sure 
> is surprising. Why should "puts" cause a GC leak (writeln is 
> the same)? What's so special about small allocations that 
> allows all my memory to get filled up?

Try to put locks around the allocations to see if it is a 
race-condition.