gcc/testsuite/gcc.dg/pr83527.c

   1 /* PR debug/83527 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -fcompare-debug" } */
   4
   5 extern void fn2(void);
   6 extern void fn3(void);
   7 int a, b;
   8 void fn1() {
   9   int c;
  10   short d;
  11   switch (a) {
  12   case 32800:
  13     fn2();
  14   case 32769:
  15     b = 0;
  16   case 32771:
  17   case 32772:
  18   case 32782:
  19     fn3();
  20   }
  21   if (d || c) {
  22     do
  23       ;
  24     while (0);
  25   }
  26 }