A security issue in GCC has been announced: http://openwall.com/lists/oss-security/2017/07/27/2
Already fixed since * Sun Mar 26 2017 tmb <tmb> 5.4.0-2.mga6 + Revision: 1094890 - add regression, miscompilation and ICE fixes from upstream gcc-5 branch - Support exception propagation without lock-free atomic int
Resolution: (none) => FIXEDStatus: NEW => RESOLVED