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cp $execs/hello 1 cp 1 2 if dwz -L0 1 2 2>dwz.err; status=$?; then true fi if ! grep -q "Too many DIEs, not optimizing" dwz.err; then cat dwz.err exit 1 fi [ $status -eq 1 ] cmp 1 $execs/hello cmp 2 $execs/hello rm -f 1 2 dwz.err