Simpler version, sans printf:

module leak;

import tango.core.Memory;

struct Data
{
    Data* prev;
    char[4092] something;
}

public void main()
{
    Data* data;
    Data* newData;
    int i;
    while(true)
    {
        for(i = 0; i < 10_000; i++)
        {
            newData = new Data;
            newData.prev = data;
            data = newData;
        }
        data = null;
        newData = null;
        i = 0;
        GC.collect();
    }
}

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