1// https://issues.dlang.org/show_bug.cgi?id=20438
2import core.stdc.stdio;
3import core.memory;
4
5void main()
6{
7    auto used0 = GC.stats.usedSize;
8    void* z = GC.malloc(100);
9    GC.free(z);
10    GC.collect();
11    auto used1 = GC.stats.usedSize;
12    used1 <= used0 || assert(false);
13}
14