https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63793
--- Comment #4 from howarth at bromo dot med.uc.edu --- The offending instructions can be seen with... % grep _sumpartgrid.2471 convmix_kfeta.s leaq _sumpartgrid.2471(%rip), %rax leaq _sumpartgrid.2471(%rip), %rax leaq _sumpartgrid.2471(%rip), %rdx leaq _sumpartgrid.2471(%rip), %rdx leaq _sumpartgrid.2471(%rip), %rdx .zerofill __DATA,__bss6,_sumpartgrid.2471,4000000,6