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1 // PR c++/70096
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2 // { dg-do run }
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3
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4 int data_read;
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5
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6 struct Holder
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7 {
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8 void foo () { data_read = data; }
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9 int data;
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10 };
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11
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12 void
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13 poison_stack ()
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14 {
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15 volatile char a[256];
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16 __builtin_memset ((void *)a, 0xa, sizeof a);
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17 }
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18
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19 template <typename F>
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20 void test1 ()
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21 {
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22 Holder h;
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23 h.data = 42;
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24 F Holder::*fptr = &Holder::foo;
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25 (h.*fptr)();
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26 }
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27
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28 template <typename F>
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29 void test2 ()
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30 {
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31 Holder h;
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32 h.data = 42;
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33 F Holder::*fptr1 = &Holder::foo;
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34 F Holder::*fptr2 = fptr1;
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35 (h.*fptr2)();
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36 }
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37
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38
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39 int main ()
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40 {
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41 poison_stack ();
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42 test1<void()>();
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43 poison_stack ();
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44 test2<void()>();
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45 }
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