[Bug middle-end/19430] taking address of a var causes missing uninitialized warning

["manu at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19430

--- Comment #32 from Manuel López-Ibáñez <manu at gcc dot gnu.org> ---
(In reply to Vincent Lefèvre from comment #31)
> In any case, no warnings are generated. So, the problem here is not related
> to whether the address of j is taken, but to something else.

With a constant, you hit PR18501. If you use "j = i", it warns as it should.

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