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1 // PR c++/65143
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2 // { dg-do compile { target c++11 } }
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3 // { dg-additional-options -fdump-tree-gimple }
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4 // { dg-final { scan-tree-dump-times "vptr" 1 gimple } }
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5
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6 struct A
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7 {
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8 int i();
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9 };
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10
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11 struct B : public virtual A
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12 {
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13 int get()
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14 {
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15 return A::i() + 1;
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16 }
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17 };
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18
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19 struct C final : public B
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20 {
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21 int get()
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22 {
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23 return A::i() + 2;
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24 }
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25 };
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26
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27 int foo(C& c)
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28 {
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29 return c.get(); // Need not go via vtable pointer as class C is final
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30 }
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31
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32 int foo(B& b2)
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33 {
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34 return b2.get(); // This has to go via vtable as most derived class can change the location of A
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35 }
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