make_unique_gc_object.cpp:10:21: warning: [blink-gc] Disallowed use of 'make_unique<blink::Base>' found; 'Base' is a garbage-collected type. std::unique_ptr cannot hold garbage-collected objects.
  auto owned_base = std::make_unique<Base>();
                    ^~~~~~~~~~~~~~~~~~~~~~~~
make_unique_gc_object.cpp:11:27: warning: [blink-gc] Disallowed use of 'make_unique<blink::Base[], int>' found; 'Base' is a garbage-collected type. std::unique_ptr cannot hold garbage-collected objects.
  auto owned_base_array = std::make_unique<Base[]>(1);
                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~
make_unique_gc_object.cpp:12:24: warning: [blink-gc] Disallowed use of 'make_unique<blink::Derived>' found; 'Derived' is a garbage-collected type. std::unique_ptr cannot hold garbage-collected objects.
  auto owned_derived = std::make_unique<Derived>();
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~
make_unique_gc_object.cpp:13:22: warning: [blink-gc] Disallowed use of 'WrapUnique<blink::Mixin>' found; 'Mixin' is a garbage-collected type. std::unique_ptr cannot hold garbage-collected objects.
  auto owned_mixin = base::WrapUnique(static_cast<Mixin*>(nullptr));
                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
4 warnings generated.