[Toybox] Kernighan's awk repo

[Josh Gao]

On Jul 22, 2016 12:46 AM, "Rob Landley" <rob at landley.net> wrote:
>
> 's not a bug if you never use the result. Not unless you enable
> something that traps on an integer overflow or similar.

FWIW, the standard explicitly says it's undefined behavior, and clang and
gcc seem to be in a competition to find new and inventive ways to optimize
seemingly benign UB into broken programs. Just because it works now doesn't
mean it'll stay that way.
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