1 /* { dg-do compile } */ 2 /* { dg-options "-O -fdump-tree-dse1-details" } */ 3 4 struct A { int x; double y; }; f(struct A * a)5 void f (struct A *a) { 6 *a = *a; 7 } 8 9 /* { dg-final { scan-tree-dump "Deleted dead store" "dse1"} } */ 10