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111
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1 /* { dg-do run } */
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2 /* { dg-require-ifunc "" } */
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3 /* { dg-options "-Wno-pmf-conversions" } */
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4
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5 #include <stdio.h>
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6
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7 struct Klass
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8 {
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9 virtual int magic () = 0;
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10 };
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11
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12 struct Klassier : Klass
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13 {
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14 int implementation ();
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15 int magic ();
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16
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17 typedef int Func (Klass*);
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18
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19 static Func* resolver ();
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20 };
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21
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22 int Klassier::implementation (void)
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23 {
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24 printf ("'ere I am JH\n");
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25 return 0;
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26 }
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27
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28 Klassier::Func* Klassier::resolver ()
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29 {
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30 /* GCC guarantees this conversion to be safe and the resulting pointer
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31 usable to call the member function using ordinary (i.e., non-member)
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32 function call syntax. */
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33
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34 return reinterpret_cast<Func*>(&Klassier::implementation);
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35 }
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36
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37 int Klassier::magic (void) __attribute__ ((ifunc ("_ZN8Klassier8resolverEv")));
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38
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39 int __attribute__ ((weak)) Foo (Klass &base)
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40 {
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41 return base.magic ();
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42 }
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43
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44 int main ()
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45 {
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46 Klassier obj;
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47
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48 return Foo (obj) != 0;
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49 }
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