./travis/test/expimp.asm:17: warning: signed byte value exceeds bounds [-w+number-overflow]
./travis/test/expimp.asm:24: warning: signed byte value exceeds bounds [-w+number-overflow]
./travis/test/expimp.asm:31: warning: signed byte value exceeds bounds [-w+number-overflow]
./travis/test/expimp.asm:38: warning: signed byte value exceeds bounds [-w+number-overflow]