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131
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1 // { dg-do run }
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2
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3 // Avoid -pedantic-error default
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4 // { dg-options "" }
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5
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6 // Make sure the functions referenced by various forms of
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7 // address-taking are marked as used and compiled in.
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8
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9 static void ac() {}
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10 void a() {
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11 ac[0](); // { dg-warning "arithmetic" }
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12 }
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13
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14 static void bc() {}
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15 void b() {
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16 (&*&*&*&bc)();
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17 }
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18
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19 template <typename U> U cc() {}
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20 void (*c())() {
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21 return cc;
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22 }
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23
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24 template <typename T>
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25 struct x {
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26 void a(int);
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27 template <typename U> static U a(x*) {}
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28 static void a(long) {}
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29 static void a(void *) {}
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30 static void a() {
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31 void (*p0)(void*) = x().a;
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32 p0(0);
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33 void (*p1)(long) = a;
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34 p1(0);
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35 void (*p2)() = a;
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36 p2();
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37 void (*p3)(x*) = a;
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38 p3(0);
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39 }
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40 };
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41
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42 struct z {
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43 void a(int);
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44 template <typename U> static U a(z*) {}
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45 static void a(long) {}
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46 static void a(void *) {}
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47 static void a() {
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48 void (*p0)(void*) = z().a;
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49 p0(0);
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50 void (*p1)(long) = a;
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51 p1(0);
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52 void (*p2)() = a;
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53 p2();
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54 void (*p3)(z*) = a;
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55 p3(0);
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56 }
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57 };
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58
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59 int main(int argc, char *argv[]) {
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60 if (argc > 1) {
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61 x<void>().a();
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62 z().a();
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63 }
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64 }
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