1 /* { dg-do compile } */ 2 3 extern int a, b, k, q; 4 5 void foo()6 foo () 7 { 8 if (a) 9 { 10 while (q) 11 { 12 lbl: 13 if (a) 14 { 15 a = 0; 16 goto lbl; 17 } 18 } 19 b = k; 20 } 21 goto lbl; 22 } 23