| In file included from non_virtual_trace.cpp:5: |
| ./non_virtual_trace.h:12:1: warning: [blink-gc] Left-most base class 'A' of derived class 'D' must define a virtual trace method. |
| class A : public GarbageCollected<A> { |
| ^ |
| non_virtual_trace.cpp:13:1: warning: [blink-gc] Class 'C' overrides non-virtual trace of base class 'A'. |
| void C::Trace(Visitor* visitor) |
| ^ |
| ./non_virtual_trace.h:14:5: note: [blink-gc] Non-virtual trace method declared here: |
| void Trace(Visitor*); |
| ^ |
| non_virtual_trace.cpp:18:1: warning: [blink-gc] Class 'D' overrides non-virtual trace of base class 'A'. |
| void D::Trace(Visitor* visitor) |
| ^ |
| ./non_virtual_trace.h:14:5: note: [blink-gc] Non-virtual trace method declared here: |
| void Trace(Visitor*); |
| ^ |
| 3 warnings generated. |