gcc/testsuite/gcc.dg/tree-ssa/pr82078.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O" } */
   3
   4 struct S0 {
   5   signed f4;
   6   signed f9 : 5;
   7 } a[6][5], b = {2}
   8
   9 ;
  10 int c, d;
  11 int fn1() {
  12   struct S0 e[5][6];
  13   struct S0 f;
  14   b = f = e[2][5] = a[5][0];
  15   if (d)
  16     ;
  17   else
  18     return f.f9;
  19   e[c][45] = a[4][4];
  20 }
  21
  22 int main() {
  23   fn1();
  24   if (b.f4 != 0)
  25     __builtin_abort ();
  26   return 0;
  27 }