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111
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1 // { dg-options "-Wunused -W" }
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2
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3 #include <typeinfo>
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4 #include <stdarg.h>
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5
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6 void
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7 f1 (int a, ...)
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8 {
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9 va_list ap;
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10 va_start (ap, a);
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11 va_end (ap);
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12 }
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13
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14 int
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15 f2 (int a, ...)
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16 {
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17 va_list ap;
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18 va_start (ap, a);
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19 int i = va_arg (ap, int);
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20 va_end (ap);
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21 return i;
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22 }
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23
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24 struct A { int a; A (); virtual ~A (); };
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25 struct B : virtual A { int b; };
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26
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27 struct B *
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28 f3 (struct A *a)
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29 {
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30 return dynamic_cast <B *> (a);
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31 }
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32
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33 struct A *
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34 f4 (struct B *a)
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35 {
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36 return static_cast <A *> (a);
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37 }
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38
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39 struct A *
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40 f5 (struct B *a)
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41 {
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42 return reinterpret_cast <A *> (a);
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43 }
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44
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45 struct A *
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46 f6 (const struct A *a)
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47 {
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48 return const_cast <A *> (a);
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49 }
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50
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51 int
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52 f7 (long a)
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53 {
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54 return (int) a;
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55 }
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56
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57 int
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58 f8 (long a)
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59 {
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60 return int (a);
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61 }
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62
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63 struct C
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64 {
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65 operator unsigned int() { return 42; }
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66 };
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67
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68 unsigned int
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69 f9 ()
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70 {
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71 C u;
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72 return u;
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73 }
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74
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75 struct D
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76 {
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77 operator int & ();
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78 operator const int & () const;
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79 };
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80
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81 void foo (int &);
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82 void foo (const int &);
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83
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84 void
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85 f10 ()
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86 {
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87 const D x = D ();
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88 foo (x);
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89 }
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90
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91 int
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92 f11 (int a)
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93 {
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94 return typeid (a) == typeid (int);
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95 }
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96
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97 struct E
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98 {
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99 int e () {return 0;}
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100 };
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101
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102 template <typename T>
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103 int
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104 f12 (E a)
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105 {
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106 __decltype (a.e()) i;
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107 return i;
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108 }
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109
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110 template <> int f12<int> (E);
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