F21 system GCC changed to 4.9.0 prerelease

Orion Poplawski orion at cora.nwra.com
Thu Apr 10 17:38:20 UTC 2014

On 04/10/2014 04:23 AM, Jakub Jelinek wrote:
> Hi!
> FYI, gcc in rawhide has been upgraded to 4.9.0 prerelease,
> please visit http://gcc.gnu.org/gcc-4.9/porting_to.html if your
> package no longer builds.  To investigate runtime rather than compile time
> issues, please consider using temporarily -fsanitize=undefined and/or
> -fsanitize=address to look for undefined behavior in the packages
> you own.
> 	Jakub

I think I've found a regression in gfortran with list-directed reading
from character arrays: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60810
unless this is some kind of new standards compliance, but this seems to
have worked forever.

Orion Poplawski
Technical Manager                     303-415-9701 x222
NWRA/CoRA Division                    FAX: 303-415-9702
3380 Mitchell Lane                  orion at cora.nwra.com
Boulder, CO 80301              http://www.cora.nwra.com

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