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      1 // PR rtl-optimization/23299
      2 // { dg-do run }
      3 // { dg-options "-Os" }
      4 
      5 extern "C" void abort ();
      6 
      7 struct A
      8 {
      9   virtual int a () { return 0; }
     10 };
     11 
     12 struct B : public A
     13 {
     14   virtual int b () { return 0; }
     15 };
     16 
     17 struct C : public A
     18 {
     19   virtual int c () { return 0; }
     20 };
     21 
     22 struct D
     23 {
     24   D () { d = 64; }
     25   ~D ();
     26   int d;
     27 };
     28 
     29 int x;
     30 
     31 D::~D ()
     32 {
     33   x |= 1;
     34   if (d != 64)
     35     abort ();
     36 }
     37 
     38 struct E : public B, public C
     39 {
     40   E () {}
     41   virtual int c ();
     42   ~E ();
     43   D dv;
     44 };
     45 
     46 E::~E ()
     47 {
     48   int r = c ();
     49 }
     50 
     51 int E::c ()
     52 {
     53   if (x > 10)
     54     throw 1;
     55   x |= 2;
     56   return 0;
     57 }
     58 
     59 int main (void)
     60 {
     61   {
     62     E e;
     63   }
     64   if (x != 3)
     65     abort ();
     66 }
     67