ulong currentlyAllocated = GC.allocatedInCurrentThread();
struct DataStruct
{
    long l1;
    long l2;
    long l3;
    long l4;
}
DataStruct* unused = new DataStruct;
assert(GC.allocatedInCurrentThread() == currentlyAllocated + 32);
assert(GC.stats().allocatedInCurrentThread == currentlyAllocated + 32);