1cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)In file included from pure_virtual_trace.cpp:5: 2cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)./pure_virtual_trace.h:14:5: warning: [blink-gc] Garbage collected class 'A' is not permitted to declare a pure-virtual trace method. 3cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) virtual void trace(Visitor*) = 0; 4cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) ^ 5cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)1 warning generated. 6