Jeffrey Walton wrote:
> You might also checkout an overflow library. For the C language,
> safe_iop is available.

Gnulib's INT_*_WRAPV macros are similar. [1]

> -ftrapv is for defective programs. A program using -ftrapv is still
> defective and should be fixed.

You mean, '-fwrapv' is for defective programs?

Bruno

[1] 
https://www.gnu.org/software/gnulib/manual/html_node/Wraparound-Arithmetic.html


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