Re: Bug#1067907: flam3-genome segfaults on ppc64el with -ffast-math enabled

On 2025-08-01 16:01, Peter Blackman wrote:
> Hi Trupti,
> 
> Just to be sure this is not an own goal,
> I attach a series file that comments out
> all the non essential patches.
> 
> 
> From the gcc man page, -ffast-math enables the following optimisations
> 
> -fno-math-errno
> -funsafe-math-optimizations
> -ffinite-math-only
> -fno-rounding-math
> -fno-signaling-nans
> -fcx-limited-range
> -fexcess-precision=fast
> 
> Maybe enable individually or as groups to determine
> which triggers the segfault?

Hi Peter,

As per the list of flags you provided, I tested each one to identify 
which flag triggers the segmentation fault.

I found that the -ffinite-math-only flag is the cause of the 
segmentation fault.

Thanks and Regards,
Trupti