Function test_stl_allocator2

3rd/mimalloc-2.0.9/test/main-override.cpp:130–135

struct some_struct { int i; int j; double z; };

static bool test_stl_allocator2() {
  std::vector<some_struct, mi_stl_allocator<some_struct> > vec;
  vec.push_back(some_struct());
  vec.pop_back();
  return vec.size() == 0;
}

static bool test_stl_allocator3() {
  std::vector<int, mi_heap_stl_allocator<int> > vec;