[Bug middle-end/79768] `-Wmaybe-uninitialized' false positive with optimisation

[caspervector at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79768

--- Comment #4 from Casper Ti. Vector <caspervector at gmail dot com> ---
(In reply to Manuel López-Ibáñez from comment #3)
> This is just too weird code for GCC to analyze correctly at -O2. It doesn't
> warn at -O3 (with 5.4.0 20160609)

The coding pattern is quite common though.  Nevertheless, if that only makes
trouble for `-Wmaybe-uninitialized' (and not the generated code), it is somehow
understandable.  Thanks anyway :)