/* This caused cc1 to segfault on s390x-ibm-linux   due to a bug in if_then_else_cond (combine.c).  *//* { dg-do compile } *//* { dg-options "-O1" } */extern void use (unsigned int x);int main (void){  union     {      unsigned int x;      unsigned long pad;    } A;  struct     {      unsigned int x : 1;    } B;  A.x = 1;  B.x = 1;  A.x /= B.x;  use (A.x);  A.x = 1;  B.x = 1;  B.x /= A.x;  use (B.x);  return 0;}