./travis/test/prefix66.asm:4: warning: invalid operand size prefix [-w+other]
./travis/test/prefix66.asm:7: warning: invalid operand size prefix [-w+other]
./travis/test/prefix66.asm:13: warning: invalid operand size prefix [-w+other]
./travis/test/prefix66.asm:16: warning: invalid operand size prefix [-w+other]
./travis/test/prefix66.asm:22: warning: invalid operand size prefix [-w+other]
./travis/test/prefix66.asm:25: warning: invalid operand size prefix [-w+other]