gcc/testsuite/gcc.dg/20040310-1.c

   1 /* This caused cc1 to segfault on s390x-ibm-linux
   2    due to a bug in if_then_else_cond (combine.c).  */
   3
   4 /* { dg-do compile } */
   5 /* { dg-options "-O1" } */
   6
   7 extern void use (unsigned int x);
   8
   9 int main (void)
  10 {
  11   union
  12     {
  13       unsigned int x;
  14       unsigned long pad;
  15     } A;
  16
  17   struct
  18     {
  19       unsigned int x : 1;
  20     } B;
  21
  22   A.x = 1;
  23   B.x = 1;
  24   A.x /= B.x;
  25   use (A.x);
  26
  27   A.x = 1;
  28   B.x = 1;
  29   B.x /= A.x;
  30   use (B.x);
  31
  32   return 0;
  33 }
  34