1 /* Generated by re2c */ 2 // re2c $INPUT -o $OUTPUT -i --empty-class match-none 3 4 { 5 YYCTYPE yych; 6 } 7 8 bug61_difference_negative.re:3:4: warning: empty character class [-Wempty-character-class] 9 bug61_difference_negative.re:2:0: warning: control flow is undefined for strings that match '', use default rule '*' [-Wundefined-control-flow] 10 bug61_difference_negative.re:3:30: warning: unreachable rule [-Wunreachable-rules] 11