No matches were found for subject:"\[Bug c\/78548\] New\: ice on valid C code on x86_64\-linux\-gnu at \-O2 and \-O3 in 64\-bit mode with \-Wall \(\*\*\* Error in `\/usr\/local\/gcc\-trunk\/libexec\/gcc\/x86_64\-pc\-linux\-gnu\/7.0.0\/cc1'\: double free or corruption \(fasttop\)\: 0x0000000003c15810 \*\*\*\)"