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111
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1 // PR tree-optimization/57661
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2 // { dg-do compile { target c++11 } }
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3 // { dg-options "-O2 -fno-tree-forwprop" }
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4
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5 template <typename>
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6 struct A
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7 {
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8 ~A () {}
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9 };
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10 template <typename _Tp>
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11 using B = A <_Tp>;
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12 template <typename _Tp>
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13 class C : B <_Tp> {};
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14 namespace N { enum D { d }; }
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15 template <class>
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16 struct E
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17 {
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18 ~E ();
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19 };
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20 template <class, class V>
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21 struct F : V {};
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22 template <class U, class V>
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23 struct G : F <U, V>
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24 {
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25 N::D g1;
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26 void g2 ();
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27 void g3 ();
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28 void g4 () { g3 (); }
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29 static void g5 (G *__t) { __t->g4 (); }
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30 };
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31 template <class U, class V>
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32 struct H : G <U, V>
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33 {
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34 E <U> *h1;
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35 bool h2;
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36 ~H () throw ()
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37 {
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38 this->g2 ();
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39 if (h2)
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40 delete h1;
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41 }
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42 };
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43 template <class U, class V>
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44 struct I : H <U, V>, E <U>
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45 {
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46 G <U, V> *i;
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47 ~I () throw ()
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48 {
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49 i->g4 ();
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50 }
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51 };
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52 struct J
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53 {
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54 typedef C <char> j1;
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55 typedef G <char, C <char>> j2;
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56 J ();
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57 j2 *j3;
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58 };
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59 struct K : J
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60 {
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61 typedef G <char, C <char>> j2;
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62 K () { j2::g5 (this->j3); }
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63 };
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64 template <class U, class V>
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65 void G <U, V>::g3 ()
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66 {
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67 switch (g1)
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68 {
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69 case N::d:
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70 {
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71 I <U, V> *q = (I <U, V> *) this;
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72 q->I <U, V>::~I ();
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73 }
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74 }
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75 }
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76 K r;
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