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Re: missed uninitialised variable warning


On Aug  4, 2003, dewar@gnat.com (Robert Dewar) wrote:

>> In C and C++ it's legal, and there are actual cases in which you do
>> want to reference the variable (as an lvalue) before its declaration
>> is complete.

> Isn't that a bit dubious from a formal point of view.

I don't see why, and I've already given the example:

void *x = &x;

This must work, and I don't see anything possibly dubious about it.

-- 
Alexandre Oliva   Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer                 aoliva@{redhat.com, gcc.gnu.org}
CS PhD student at IC-Unicamp        oliva@{lsd.ic.unicamp.br, gnu.org}
Free Software Evangelist                Professional serial bug killer


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