RFC: (Unconditionally) enable -fno-strict-overflow for kernel builds
Poul-Henning Kamp
phk at phk.freebsd.dk
Sat Nov 30 22:05:15 UTC 2013
In message <CAJ-VmomC6CMuo__etm7X6W8Hpg8MafL2StePdSz4Jn0XN6MGww at mail.gmail.com>
, Adrian Chadd writes:
>> The compiler authors take the undefined part there as a blanket to perform
>> optimizations which are assuming that signed overflow cannot happen.
That's sufficient explanation for me to support your proposal.
--
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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