1 /* { dg-do compile } */ 2 3 int *a; 4 int b; 5 int fn1()6 fn1() { 7 enum { QSTRING } c = 0; 8 while (1) { 9 switch (*a) { 10 case '\'': 11 c = 0; 12 default: 13 switch (c) 14 case 0: 15 if (b) 16 return 0; 17 c = 1; 18 } 19 a++; 20 } 21 } 22