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Re: signed is undefined and has been since 1992 (in GCC)
"Joseph S. Myers" <joseph@codesourcery.com> writes:
> Does -ftrapv ever take advantage of trapping instructions where the
> hardware has them available?
Yes, for example Alpha.
> Does anyone make substantial use of -ftrapv in production
There are rarely bug reports about it; for example pointer difference
with odd sized objects was broken for years, and reported only twice
or so.
--
Falk