https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109191

--- Comment #1 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
GCC does emit a -Wint-to-pointer-cast warning on this code, for the int to void
* conversion.

Is this reduced from a real-world example, or just synthesized by hand?

I suppose in theory the analyzer could:

(a) figure out that it reads all zeroes from the array and complain about the
null pointer deref, and/or

(b) complain that we're accessing beyond the end of an array

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