[Bug c/22485] pointer +- integer is never NULL

[falk at debian dot org]

------- Additional Comments From falk at debian dot org  2005-07-14 15:37 -------
(In reply to comment #7)

> I'm failing to find anything in the C++ standard that suggests that the
> following shall be undefined
> 
>    (reinterpret_cast<int*>(0) + 5) - 5

If (reinterpret_cast<int*>(0) + 5) - 5 is not undefined, then neither is
reinterpret_cast<int*>(0) + 5. Then what is its result, by which paragraph
in the standard?


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22485