[cfe-dev] -fcatch-undefined-behavior false positive with readdir()?

Sean McBride sean at rogue-research.com
Thu Sep 27 12:10:35 PDT 2012

On Wed, 26 Sep 2012 18:31:34 -0400, Sean McBride said:

>>> So this is an OS X bug then?  (I'm pretty sure my code snippet itself
>>is correct.)
>>Yes, it appears so.  (Not sure whether it's a bug in the header or a
>>bug in the implementation.)
>Ugh.  I was in 10.7.5, just tried in 10.8.2 and seems someone has
>already fixed this.

I'm afraid I misspoke!  I was using an older clang on 10.8.  The bug is present in 10.7.5 and 10.8.2, and I've filed:



Sean McBride, B. Eng                 sean at rogue-research.com
Rogue Research                        www.rogue-research.com 
Mac Software Developer              Montréal, Québec, Canada

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