[Bug c/50922] infinite loop when optimized

[manu at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50922

--- Comment #8 from Manuel López-Ibáñez <manu at gcc dot gnu.org> 2011-10-31 20:38:17 UTC ---
(In reply to comment #7)
> I tried this new variant with "gcc (Ubuntu 4.4.1-4ubuntu9) 4.4.1"
> With this version it works correctly. Also with avr-gcc this variant 
> works correctly.
> So the problem seems really to be solved.

I sincerely hope you are not doing something important with your code. Relying
on undefined behaviour sometimes "working" is like playing russian roulette.
That the last five times nothing bad happened does not tell you anything about
what will happen next time you try.