On 07.03.2014 03:50, Adam Conrad wrote:
> On Thu, Mar 06, 2014 at 08:52:38PM -0500, Ryan Lortie wrote:
>>
>> fwiw, gnu99 doesn't stop the bug. You have to pick -std=c99
>> specifically.
>
> Curious. You'd have to ask someone who works more with GCC upstream
> to be sure, but I'd consider that I bug. I've always assumed and
> treated gnuXX as a superset of cXX.
>
I'm pretty sure Ryan is correct, e.g. gnuXX will also enable
-ffp-contract=fast (mult+add -> fused mult+add) which is not also
allowed by the C99 standard.
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