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111
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1 // PR c++/66501
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2 // { dg-do run { target c++11 } }
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3
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4 int total_size;
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5
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6 struct Object
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7 {
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8 int size = 0;
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9
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10 Object () = default;
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11
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12 ~Object () {
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13 total_size -= size;
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14 }
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15
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16 Object (const Object &) = delete;
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17 Object & operator= (const Object &) = delete;
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18
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19 Object (Object && b) {
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20 size = b.size;
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21 b.size = 0;
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22 }
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23
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24 Object & operator= (Object && b) {
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25 if (this != & b) {
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26 total_size -= size;
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27 size = b.size;
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28 b.size = 0;
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29 }
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30 return * this;
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31 }
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32
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33 void grow () {
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34 size ++;
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35 total_size ++;
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36 }
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37 };
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38
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39 struct Container {
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40 Object objects[2];
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41 };
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42
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43 int main (void)
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44 {
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45 Container container;
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46
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47 // grow some objects in the container
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48 for (auto & object : container.objects)
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49 object.grow ();
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50
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51 // now empty it
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52 container = Container ();
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53
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54 return total_size;
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55 }
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