[sv-bc] Extern static class method declaration

Hi,
As per SV 2009 LRM, the non-static method with static variable lifetime
declaration is illegal. But I think following case is legal:
class C;
    static task static t;
    endtask
endclass

But, I could not find anyway to declare it via external, because as per
BNF, task_prototype rule does not permit to use 'static' after task
keyword. So following case is illegal:

class C;
    extern static task static t(); // BNF does not permit the 2nd 'static'
endclass
task static C::t;
endtask

I think LRM should have a provision for that. Different tools behave
differently here though. Is there any mantis already for that?

-- 
Regards
Surya
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