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111
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1 /* Verify that we survive creation and deletion of references to facilitate
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2 reference removal while also doing (unsuccessful) speculative
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3 devirtualization. */
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4 /* { dg-do link } */
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5 /* { dg-options "-O3 -fno-early-inlining" } */
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6
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7 class A
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8 {
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9 public:
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10 virtual void __attribute__ ((noinline)) foo(void (*)(void));
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11 };
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12
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13 static
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14 void b(void)
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15 {
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16 }
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17
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18 void __attribute__ ((noinline))
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19 A::foo(void (*back)(void))
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20 {
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21 back();
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22 }
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23
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24 class A *a;
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25
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26 void __attribute__ ((noinline, noclone))
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27 allocate_a ()
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28 {
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29 a = new A();
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30 }
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31
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131
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32 int main()
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111
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33 {
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34 allocate_a();
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35 for (int i=0; i<10000;i++)
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36 a->foo(b);
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37 }
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