[Gc] for C++ GC

[Ben Hutchings]

Wei Bing <bwei at dyn.com> wrote:

	I know the following fact:

	class test: gc_cleanup 
	 { 
	 Public: 
	          ~test() 
	          { 
	           ... 
	          } 
	 };

	new test[10];

	But the destructor is only called once not 10 times during
garbage collection.

	Is that correct? 

No, of course it's not correct! It's a bug which should be fixed. If I
understand things correctly, the GC only supports one finaliser per
allocation but gc_cleanup::gc_cleanup tries to register a separate
finaliser for each object and this fails for all but the first in an
array. Either array-new should be disabled in gc_cleanup or gc_cleanup
should somehow chain finalisers for the elements of an array.

Ben.

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