OP_SUB           3489 host/minilua.c case OP_SUB:r=luai_numsub(v1,v2);break;
OP_SUB           3610 host/minilua.c case OPR_SUB:codearith(fs,OP_SUB,e1,e2);break;
OP_SUB           5028 host/minilua.c case OP_SUB:{