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annotate gcc/testsuite/g++.dg/cpp1z/decomp48.C @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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131
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1 // PR c++/87582
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2 // { dg-do run { target c++11 } }
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3 // { dg-options "-Wreturn-local-addr" }
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4
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5 struct S { int s, t; };
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6 S v {1, 2};
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7 int a[3] = {1, 2, 3};
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8
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9 int &
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10 f1 ()
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11 {
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12 auto& [s, t] = v; // { dg-warning "structured bindings only available with" "" { target c++14_down } }
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13 return s; // { dg-bogus "reference to local variable '.' returned" }
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14 }
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15
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16 int &
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17 f2 ()
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18 {
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19 S v {1, 2};
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20 auto& [s, t] = v; // { dg-warning "structured bindings only available with" "" { target c++14_down } }
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21 return s; // { dg-warning "reference to local variable 'v' returned" }
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22 }
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23
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24 int &
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25 f3 ()
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26 {
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27 auto& [s, t, u] = a; // { dg-warning "structured bindings only available with" "" { target c++14_down } }
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28 return s; // { dg-bogus "reference to local variable '.' returned" }
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29 }
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30
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31 int &
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32 f4 ()
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33 {
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34 int a[3] = {1, 2, 3};
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35 auto& [s, t, u] = a; // { dg-warning "structured bindings only available with" "" { target c++14_down } }
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36 return s; // { dg-warning "reference to local variable 'a' returned" }
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37 }
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38
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39 int &
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40 f5 ()
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41 {
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42 auto [s, t] = v; // { dg-warning "structured bindings only available with" "" { target c++14_down } }
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43 return s; // { dg-warning "reference to local variable 's' returned" }
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44 }
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45
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46 int &
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47 f6 ()
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48 {
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49 S v {1, 2};
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50 auto [s, t] = v; // { dg-warning "structured bindings only available with" "" { target c++14_down } }
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51 return s; // { dg-warning "reference to local variable 's' returned" }
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52 }
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53
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54 int &
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55 f7 ()
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56 {
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57 auto [s, t, u] = a; // { dg-warning "structured bindings only available with" "" { target c++14_down } }
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58 return s; // { dg-warning "reference to local variable 's' returned" }
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59 }
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60
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61 int &
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62 f8 ()
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63 {
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64 int a[3] = {1, 2, 3};
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65 auto [s, t, u] = a; // { dg-warning "structured bindings only available with" "" { target c++14_down } }
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66 return s; // { dg-warning "reference to local variable 's' returned" }
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67 }
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68
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69 int *
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70 f9 ()
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71 {
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72 auto& [s, t] = v; // { dg-warning "structured bindings only available with" "" { target c++14_down } }
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73 return &s; // { dg-bogus "address of local variable '.' returned" }
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74 }
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75
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76 int *
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77 f10 ()
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78 {
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79 S v {1, 2};
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80 auto& [s, t] = v; // { dg-warning "structured bindings only available with" "" { target c++14_down } }
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81 return &s; // { dg-warning "address of local variable 'v' returned" }
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82 }
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83
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84 int *
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85 f11 ()
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86 {
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87 auto& [s, t, u] = a; // { dg-warning "structured bindings only available with" "" { target c++14_down } }
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88 return &s; // { dg-bogus "address of local variable '.' returned" }
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89 }
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90
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91 int *
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92 f12 ()
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93 {
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94 int a[3] = {1, 2, 3};
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95 auto& [s, t, u] = a; // { dg-warning "structured bindings only available with" "" { target c++14_down } }
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96 return &s; // { dg-warning "address of local variable 'a' returned" }
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97 }
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98
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99 int *
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100 f13 ()
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101 {
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102 auto [s, t] = v; // { dg-warning "structured bindings only available with" "" { target c++14_down } }
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103 return &s; // { dg-warning "address of local variable 's' returned" }
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104 }
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105
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106 int *
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107 f14 ()
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108 {
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109 S v {1, 2};
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110 auto [s, t] = v; // { dg-warning "structured bindings only available with" "" { target c++14_down } }
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111 return &s; // { dg-warning "address of local variable 's' returned" }
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112 }
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113
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114 int *
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115 f15 ()
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116 {
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117 auto [s, t, u] = a; // { dg-warning "structured bindings only available with" "" { target c++14_down } }
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118 return &s; // { dg-warning "address of local variable 's' returned" }
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119 }
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120
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121 int *
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122 f16 ()
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123 {
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124 int a[3] = {1, 2, 3};
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125 auto [s, t, u] = a; // { dg-warning "structured bindings only available with" "" { target c++14_down } }
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126 return &s; // { dg-warning "address of local variable 's' returned" }
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127 }
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128
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129 int
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130 main ()
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131 {
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132 if (&f1 () != &v.s || &f3 () != &a[0] || f9 () != &v.s || f11 () != &a[0])
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133 __builtin_abort ();
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134 }