OP_RREF          1101 ext/pcre/pcrelib/pcre_compile.c     case OP_RREF:
OP_RREF          1189 ext/pcre/pcrelib/pcre_compile.c     case OP_RREF:
OP_RREF          4226 ext/pcre/pcrelib/pcre_compile.c           code[1+LINK_SIZE] = OP_RREF;    /* Change the type of test */
OP_RREF          4357 ext/pcre/pcrelib/pcre_compile.c           code[1+LINK_SIZE] = OP_RREF;      /* Change test type */
OP_RREF           762 ext/pcre/pcrelib/pcre_exec.c     if (ecode[LINK_SIZE+1] == OP_RREF)         /* Recursion test */