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111
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1 // { dg-do run }
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2 // prms-id: 658
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3
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4 #include <iostream>
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5 #include <cstdlib>
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6
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7 /* We may not find the libg++ <bool.h>. */
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8 #ifndef FALSE
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9 #define FALSE false
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10 #endif
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11 #ifndef TRUE
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12 #define TRUE true
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13 #endif
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14
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15 // The VxWorks kernel-mode headers define a macro named "OK", which is not
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16 // ISO-compliant, but is part of the VxWorks API.
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17 #if defined __vxworks && !defined __RTP__
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18 #undef OK
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19 #endif
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20
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21 class Object {
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22 public:
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23 Object();
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24 Object(const Object&);
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25 ~Object();
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26
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27 void OK() const;
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28 private:
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29 bool _destructed;
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30 };
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31
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32 class Char: public Object {
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33 public:
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34 Char();
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35 Char(char);
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36 Char(const Char&);
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37 ~Char();
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38
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39 operator char () const;
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40 private:
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41 char _c;
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42 };
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43
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44 int main()
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45 {
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46 Char r, s;
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47
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48 r = Char('r');
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49 s = Char('s');
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50 }
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51
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52 //
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53 // Object stuff
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54 //
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55 Object::Object():
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56 _destructed(FALSE)
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57 {}
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58
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59 Object::Object(const Object& other):
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60 _destructed(FALSE)
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61 {
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62 other.OK();
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63 }
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64
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65 Object::~Object()
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66 {
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67 OK();
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68 _destructed = TRUE;
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69 }
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70
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71 void
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72 Object::OK() const
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73 {
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74 if (_destructed) {
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75 std::cerr << "FAILURE - reference was made to a destructed object\n";
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76 std::abort();
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77 }
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78 }
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79
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80 //
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81 // Char stuff
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82 //
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83
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84 Char::Char():
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85 Object(),
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86 _c('a')
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87 { }
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88
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89 Char::Char(char c):
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90 Object(),
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91 _c(c)
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92 { }
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93
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94 Char::Char(const Char& other):
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95 Object(other),
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96 _c(other._c)
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97 { }
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98
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99 Char::~Char()
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100 {
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101 OK();
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102 }
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103
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104 Char::operator char () const
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105 {
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106 return _c;
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107 }
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108
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109
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