gcc/testsuite/g++.dg/tree-ssa/pr26443.C

   1 // { dg-do compile }
   2
   3 struct A
   4 {
   5     double x[4];
   6 };
   7
   8 struct B
   9 {
  10     A y[2];
  11 };
  12
  13 A foo(B *p)
  14 {
  15     for ( int i=0; i<4; ++i )
  16         p->y[1].x[i]=0;
  17
  18     A a;
  19     return a;
  20 }