Failed: SPEC CPU 2006: gcc (GCC) 4.9.0 20130329 (experimental) [trunk revision 197224] on x86_64

[H.J. Lu X86 SPEC CPU LTO]

With runspec -c lnx-x86_64-gcc.cfg -n 1 -l -o asc -I all -T all -e lto 
Fatal error: It is not allowed to have a constraint length zero and non-zero in the A and B topology
Error: 1x435.gromacs