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145
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1 typedef __PTRDIFF_TYPE__ ptrdiff_t;
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2
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3 template <typename T>
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4 class I
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5 {
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6 public:
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7 typedef ptrdiff_t difference_type;
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8 I ();
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9 ~I ();
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10 I (T *);
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11 I (const I &);
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12 T &operator * ();
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13 T *operator -> ();
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14 T &operator [] (const difference_type &) const;
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15 I &operator = (const I &);
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16 I &operator ++ ();
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17 I operator ++ (int);
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18 I &operator -- ();
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19 I operator -- (int);
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20 I &operator += (const difference_type &);
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21 I &operator -= (const difference_type &);
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22 I operator + (const difference_type &) const;
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23 I operator - (const difference_type &) const;
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24 template <typename S> friend bool operator == (I<S> &, I<S> &);
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25 template <typename S> friend bool operator == (const I<S> &, const I<S> &);
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26 template <typename S> friend bool operator < (I<S> &, I<S> &);
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27 template <typename S> friend bool operator < (const I<S> &, const I<S> &);
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28 template <typename S> friend bool operator <= (I<S> &, I<S> &);
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29 template <typename S> friend bool operator <= (const I<S> &, const I<S> &);
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30 template <typename S> friend bool operator > (I<S> &, I<S> &);
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31 template <typename S> friend bool operator > (const I<S> &, const I<S> &);
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32 template <typename S> friend bool operator >= (I<S> &, I<S> &);
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33 template <typename S> friend bool operator >= (const I<S> &, const I<S> &);
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34 template <typename S> friend typename I<S>::difference_type operator - (I<S> &, I<S> &);
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35 template <typename S> friend typename I<S>::difference_type operator - (const I<S> &, const I<S> &);
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36 template <typename S> friend I<S> operator + (typename I<S>::difference_type , const I<S> &);
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37 private:
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38 T *p;
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39 };
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40
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41 template <typename T> bool operator == (I<T> &, I<T> &);
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42 template <typename T> bool operator == (const I<T> &, const I<T> &);
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43 template <typename T> bool operator != (I<T> &, I<T> &);
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44 template <typename T> bool operator != (const I<T> &, const I<T> &);
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45 template <typename T> bool operator < (I<T> &, I<T> &);
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46 template <typename T> bool operator < (const I<T> &, const I<T> &);
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47 template <typename T> bool operator <= (I<T> &, I<T> &);
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48 template <typename T> bool operator <= (const I<T> &, const I<T> &);
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49 template <typename T> bool operator > (I<T> &, I<T> &);
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50 template <typename T> bool operator > (const I<T> &, const I<T> &);
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51 template <typename T> bool operator >= (I<T> &, I<T> &);
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52 template <typename T> bool operator >= (const I<T> &, const I<T> &);
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53 template <typename T> typename I<T>::difference_type operator - (I<T> &, I<T> &);
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54 template <typename T> typename I<T>::difference_type operator - (const I<T> &, const I<T> &);
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55 template <typename T> I<T> operator + (typename I<T>::difference_type, const I<T> &);
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56
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57 ptrdiff_t foo (I<int> &);
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58 I<int> &bar (I<int> &);
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59 I<int> &baz (I<int> *);
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60
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61 void
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62 f0 ()
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63 {
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64 int i;
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65 const int j = 1;
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66 const int k = -1;
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67 const int m = 2;
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68 const int n = -7;
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69 int o = 1;
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70 int p = -1;
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71 #pragma omp for
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72 for (i = 0; i != 64; i += j)
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73 ;
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74 #pragma omp for
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75 for (i = 64; i != 0; i -= j)
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76 ;
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77 #pragma omp for
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78 for (i = 0; i != 64; i -= k)
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79 ;
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80 #pragma omp for
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81 for (i = 64; i != 0; i += k)
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82 ;
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83 #pragma omp for
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84 for (i = 0; i != 64; i += m) // { dg-error "increment is not constant 1 or -1 for '!=' condition" }
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85 ;
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86 #pragma omp for
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87 for (i = 64; i != 0; i -= m) // { dg-error "increment is not constant 1 or -1 for '!=' condition" }
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88 ;
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89 #pragma omp for
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90 for (i = 0; i != 64; i -= n) // { dg-error "increment is not constant 1 or -1 for '!=' condition" }
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91 ;
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92 #pragma omp for
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93 for (i = 64; i != 0; i += n) // { dg-error "increment is not constant 1 or -1 for '!=' condition" }
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94 ;
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95 #pragma omp for
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96 for (i = 0; i != 64; i += o) // { dg-error "increment is not constant 1 or -1 for '!=' condition" }
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97 ;
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98 #pragma omp for
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99 for (i = 64; i != 0; i -= o) // { dg-error "increment is not constant 1 or -1 for '!=' condition" }
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100 ;
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101 #pragma omp for
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102 for (i = 0; i != 64; i -= p) // { dg-error "increment is not constant 1 or -1 for '!=' condition" }
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103 ;
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104 #pragma omp for
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105 for (i = 64; i != 0; i += p) // { dg-error "increment is not constant 1 or -1 for '!=' condition" }
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106 ;
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107 }
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108
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109 void
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110 f1 (I<int> &x, I<int> &y, I<int> &u, I<int> &v)
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111 {
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112 I<int> i, j;
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113 const int k = 1;
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114 const int l = -1;
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115 const int m = 2;
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116 const int n = -7;
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117 int o = 1;
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118 int p = -1;
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119 #pragma omp for
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120 for (i = x; i != y; i++)
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121 ;
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122 #pragma omp for
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123 for (i = x; y != i; ++i)
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124 ;
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125 #pragma omp for
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126 for (i = x; i != y; i = i + 1)
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127 ;
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128 #pragma omp for
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129 for (i = x; i != y; i = 1 + i)
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130 ;
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131 #pragma omp for
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132 for (i = y; i != x; i--)
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133 ;
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134 #pragma omp for
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135 for (i = y; x != i; --i)
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136 ;
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137 #pragma omp for
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138 for (i = y; i != x; i = i - 1)
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139 ;
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140 #pragma omp for
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141 for (i = y; i != x; i = -1 + i)
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142 ;
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143 #pragma omp for
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144 for (i = x; i != y; i = i + k)
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145 ;
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146 #pragma omp for
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147 for (i = x; i != y; i = k + i)
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148 ;
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149 #pragma omp for
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150 for (i = y; i != x; i = i - k)
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151 ;
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152 #pragma omp for
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153 for (i = y; i != x; i = -k + i)
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154 ;
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155 #pragma omp for
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156 for (i = x; i != y; i = i - l)
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157 ;
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158 #pragma omp for
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159 for (i = x; i != y; i = -l + i)
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160 ;
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161 #pragma omp for
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162 for (i = y; i != x; i = i + l)
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163 ;
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164 #pragma omp for
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165 for (i = y; i != x; i = l + i)
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166 ;
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167 #pragma omp for
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168 for (i = x; i != y; i = i + 2) // { dg-error "increment is not constant 1 or -1 for '!=' condition" }
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169 ;
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170 #pragma omp for
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171 for (i = x; i != y; i = 7 + i) // { dg-error "increment is not constant 1 or -1 for '!=' condition" }
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172 ;
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173 #pragma omp for
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174 for (i = y; i != x; i = i - 2) // { dg-error "increment is not constant 1 or -1 for '!=' condition" }
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175 ;
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176 #pragma omp for
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177 for (i = y; i != x; i = -7 + i) // { dg-error "increment is not constant 1 or -1 for '!=' condition" }
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178 ;
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179 #pragma omp for
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180 for (i = x; i != y; i = i + m) // { dg-error "increment is not constant 1 or -1 for '!=' condition" }
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181 ;
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182 #pragma omp for
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183 for (i = x; i != y; i = m + i) // { dg-error "increment is not constant 1 or -1 for '!=' condition" }
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184 ;
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185 #pragma omp for
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186 for (i = y; i != x; i = i - m) // { dg-error "increment is not constant 1 or -1 for '!=' condition" }
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187 ;
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188 #pragma omp for
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189 for (i = y; i != x; i = -m + i) // { dg-error "increment is not constant 1 or -1 for '!=' condition" }
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190 ;
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191 #pragma omp for
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192 for (i = x; i != y; i = i - n) // { dg-error "increment is not constant 1 or -1 for '!=' condition" }
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193 ;
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194 #pragma omp for
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195 for (i = x; i != y; i = -n + i) // { dg-error "increment is not constant 1 or -1 for '!=' condition" }
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196 ;
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197 #pragma omp for
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198 for (i = y; i != x; i = i + n) // { dg-error "increment is not constant 1 or -1 for '!=' condition" }
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199 ;
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200 #pragma omp for
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201 for (i = y; i != x; i = n + i) // { dg-error "increment is not constant 1 or -1 for '!=' condition" }
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202 ;
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203 #pragma omp for
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204 for (i = x; i != y; i = i + o) // { dg-error "increment is not constant 1 or -1 for '!=' condition" }
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205 ;
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206 #pragma omp for
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207 for (i = x; i != y; i = o + i) // { dg-error "increment is not constant 1 or -1 for '!=' condition" }
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208 ;
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209 #pragma omp for
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210 for (i = y; i != x; i = i - o) // { dg-error "increment is not constant 1 or -1 for '!=' condition" }
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211 ;
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212 #pragma omp for
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213 for (i = y; i != x; i = -o + i) // { dg-error "increment is not constant 1 or -1 for '!=' condition" }
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214 ;
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215 #pragma omp for
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216 for (i = x; i != y; i = i - p) // { dg-error "increment is not constant 1 or -1 for '!=' condition" }
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217 ;
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218 #pragma omp for
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219 for (i = x; i != y; i = -p + i) // { dg-error "increment is not constant 1 or -1 for '!=' condition" }
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220 ;
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221 #pragma omp for
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222 for (i = y; i != x; i = i + p) // { dg-error "increment is not constant 1 or -1 for '!=' condition" }
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223 ;
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224 #pragma omp for
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225 for (i = y; i != x; i = p + i) // { dg-error "increment is not constant 1 or -1 for '!=' condition" }
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226 ;
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227 }
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