http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60761
Manuel López-Ibáñez <manu at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |manu at gcc dot gnu.org
--- Comment #2 from Manuel López-Ibáñez <manu at gcc dot gnu.org> ---
(In reply to Martin Jambor from comment #0)
> mjambor@virgil:~/gcc/bisect/test/clonenames$ ~/gcc/bisect/inst/bin/g++ -O3
> -S -Wall zz.C -fno-inline
> zz.C: In function ‘<built-in>’:
> zz.C:14:13: warning: iteration 3u invokes undefined behavior
> [-Waggressive-loop-optimizations]
> z[i] = i;
> ^
What is 3u?
> zz.C:13:3: note: containing loop
Wouldn't be more clear to say "within this loop"?
Isn't this a regression?
