145
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1 // { dg-do compile { target aarch64*-*-* } }
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2 // { dg-options "-Wclass-memaccess -msve-vector-bits=256" }
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3
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4 #pragma GCC target "+sve"
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5
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6 typedef __SIZE_TYPE__ size_t;
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7 inline void *operator new (size_t, void *__p) throw() { return __p; }
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8
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9 #include <arm_sve.h>
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10
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11 typedef signed char int8x32_t __attribute__((__vector_size__ (32)));
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12
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13 // Sizeless objects with global scope.
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14
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15 svint8_t global_sve_sc; // { dg-error {SVE type 'svint8_t' does not have a fixed size} }
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16 static svint8_t local_sve_sc; // { dg-error {SVE type 'svint8_t' does not have a fixed size} }
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17 extern svint8_t extern_sve_sc; // { dg-error {SVE type 'svint8_t' does not have a fixed size} }
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18 __thread svint8_t tls_sve_sc; // { dg-error {variables of type 'svint8_t' cannot have thread-local storage duration} }
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19
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20 // Sizeless arrays.
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21
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22 typedef svint8_t array_type[2]; // { dg-error {array elements cannot have SVE type 'svint8_t'} }
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23 extern svint8_t extern_array[]; // { dg-error {array elements cannot have SVE type 'svint8_t'} }
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24
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25 // Sizeless member variables.
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26
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27 struct struct1 {
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28 svint8_t a; // { dg-error {member variables cannot have SVE type 'svint8_t'} }
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29 };
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30
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31 union union1 {
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32 svint8_t a; // { dg-error {member variables cannot have SVE type 'svint8_t'} }
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33 };
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34
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35 #if __cplusplus >= 201103L
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36 struct static_sve_sc {
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37 static svint8_t sve_sc1 = {}; // { dg-error {SVE type 'svint8_t' does not have a fixed size} "" { target c++11 } }
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38 };
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39 #endif
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40
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41 // Sizeless member variables in templated structures.
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42
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43 template<typename T>
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44 struct templated_struct1 {
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45 svint8_t a; // { dg-error {member variables cannot have SVE type 'svint8_t'} }
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46 };
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47
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48 template<typename T>
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49 struct templated_struct2 {
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50 T a; // { dg-error {member variables cannot have SVE type '(svint8_t|__SVInt8_t)'} }
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51 };
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52
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53 template class templated_struct2<svint8_t>;
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54
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55 template<typename T>
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56 struct templated_struct3 {
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57 T &a;
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58 };
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59
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60 template class templated_struct3<svint8_t>;
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61
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62 #if __cplusplus >= 201103L
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63 template<typename T>
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64 struct templated_struct4 {
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65 static T a; // { dg-error {SVE type '(svint8_t|__SVInt8_t)' does not have a fixed size} "" { target c++11 } }
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66 static T b = {}; // { dg-error {SVE type '(svint8_t|__SVInt8_t)' does not have a fixed size} "" { target c++11 } }
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67 };
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68
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69 template class templated_struct4<svint8_t>;
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70 #endif
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71
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72 template<typename T> struct templated_struct5 : T {}; // { dg-error {base type '[^']*' fails to be a struct or class type} }
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73 template class templated_struct5<svint8_t>;
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74
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75 #if __cplusplus >= 201103L
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76 template<int N> using typedef_sizeless1 = svint8_t;
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77 template<int N> using typedef_sizeless1 = svint8_t;
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78 template<typename T> using array = T[2];
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79 #endif
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80
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81 // Pointers to sizeless types.
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82
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83 svint8_t *global_sve_sc_ptr;
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84
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85 // Sizeless arguments and return values.
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86
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87 void ext_consume_sve_sc (svint8_t);
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88 void ext_consume_const_int_ref (const int &);
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89 void ext_consume_varargs (int, ...);
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90 svint8_t ext_produce_sve_sc ();
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91
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92 // Sizeless types in throw specifications.
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93
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94 #if __cplusplus < 201103L
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95 void thrower1 () throw (svint8_t); // { dg-error {cannot throw or catch SVE type 'svint8_t'} "" { target c++98_only } }
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96 void thrower2 () throw (svint8_t); // { dg-error {cannot throw or catch SVE type 'svint8_t'} "" { target c++98_only } }
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97 void thrower3 () throw (svint8_t); // { dg-error {cannot throw or catch SVE type 'svint8_t'} "" { target c++98_only } }
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98 #endif
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99
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100 // Main tests for statements and expressions.
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101
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102 void
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103 statements (int n)
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104 {
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105 // Local declarations.
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106
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107 svint8_t sve_sc1, sve_sc2;
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108 volatile svint8_t volatile_sve_sc1;
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109 int8x32_t gnu_sc1;
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110 svint16_t sve_sh1;
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111
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112 // Layout queries.
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113
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114 sizeof (svint8_t); // { dg-error {SVE type 'svint8_t' does not have a fixed size} }
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115 sizeof (sve_sc1); // { dg-error {SVE type 'svint8_t' does not have a fixed size} }
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116 sizeof (ext_produce_sve_sc ()); // { dg-error {SVE type 'svint8_t' does not have a fixed size} }
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117 __alignof (svint8_t); // { dg-error {SVE type 'svint8_t' does not have a defined alignment} }
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118 __alignof (sve_sc1); // { dg-error {SVE type 'svint8_t' does not have a defined alignment} }
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119 __alignof (ext_produce_sve_sc ()); // { dg-error {SVE type 'svint8_t' does not have a defined alignment} }
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120
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121 #if __cplusplus >= 201103L
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122 array<svint8_t> foo = {}; // { dg-error {array elements cannot have SVE type '(svint8_t|__SVInt8_t)'} "" { target c++11 } }
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123 #endif
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124
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125 // Initialization.
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126
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127 int init_int1 = sve_sc1; // { dg-error {cannot convert 'svint8_t' to 'int' in initialization} }
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128 int init_int2 = { sve_sc1 }; // { dg-error {cannot convert 'svint8_t' to 'int' in initialization} }
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129
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130 svint8_t init_sve_sc1 (sve_sc1);
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131 svint8_t init_sve_sc2 (sve_sh1); // { dg-error {cannot convert 'svint16_t' to 'svint8_t'} }
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132 svint8_t init_sve_sc3 = sve_sc1;
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133 svint8_t init_sve_sc4 = sve_sh1; // { dg-error {cannot convert 'svint16_t' to 'svint8_t'} }
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134 svint8_t init_sve_sc5 = {};
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135 svint8_t init_sve_sc6 = { sve_sc1 };
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136 svint8_t init_sve_sc7 = { sve_sh1 }; // { dg-error {cannot convert 'svint16_t' to 'svint8_t'} }
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137
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138 // Constructor calls.
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139
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140 (0, svint8_t ());
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141
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142 // Lvalue reference binding
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143
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144 svint8_t &lvalue_ref_sve_sc1 = sve_sc1;
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145 svint8_t &lvalue_ref_sve_sc2 = ext_produce_sve_sc (); // { dg-error {cannot bind non-const lvalue reference of type 'svint8_t&' to an rvalue of type 'svint8_t'} }
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146 svint8_t &lvalue_ref_sve_sc3 = sve_sh1; // { dg-error {invalid initialization of reference of type 'svint8_t&' from expression of type 'svint16_t'} }
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147
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148 const svint8_t &const_lvalue_ref_sve_sc1 = sve_sc1;
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149 const svint8_t &const_lvalue_ref_sve_sc2 = ext_produce_sve_sc ();
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150 const svint8_t &const_lvalue_ref_sve_sc3 = sve_sh1; // { dg-error {invalid initialization of reference of type 'const svint8_t&' from expression of type 'svint16_t'} }
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151
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152 // Compound literals.
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153
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154 (int) { sve_sc1 }; // { dg-error {cannot convert 'svint8_t' to 'int' in initialization} }
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155
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156 // Arrays.
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157
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158 svint8_t array[2]; // { dg-error {array elements cannot have SVE type 'svint8_t'} }
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159 svint8_t zero_length_array[0]; // { dg-error {array elements cannot have SVE type 'svint8_t'} }
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160 svint8_t empty_init_array[] = {}; // { dg-error {array elements cannot have SVE type 'svint8_t'} }
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161
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162 // Assignment.
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163
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164 n = sve_sc1; // { dg-error {cannot convert 'svint8_t' to 'int' in assignment} }
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165
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166 sve_sc1 = 0; // { dg-error {cannot convert 'int' to 'svint8_t' in assignment} }
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167 sve_sc1 = sve_sc1;
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168 sve_sc1 = gnu_sc1;
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169 gnu_sc1 = sve_sc1;
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170 sve_sc1 = sve_sh1; // { dg-error {cannot convert 'svint16_t' to 'svint8_t'} }
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171
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172 // Casting.
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173
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174 (void) sve_sc1;
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175 (void) volatile_sve_sc1;
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176 (void) *&volatile_sve_sc1;
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177
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178 // Addressing and dereferencing.
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179
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180 svint8_t *sve_sc_ptr = &sve_sc1;
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181 int8x32_t *gnu_sc_ptr = &gnu_sc1;
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182 sve_sc_ptr = (svint16_t *) 0; // { dg-error {cannot convert 'svint16_t\*' to 'svint8_t\*' in assignment} }
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183
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184 // Pointer assignment.
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185
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186 gnu_sc_ptr = sve_sc_ptr; // { dg-error {invalid conversion from 'svint8_t\*' to 'int8x32_t\*'} }
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187 sve_sc_ptr = gnu_sc_ptr; // { dg-error {invalid conversion from 'int8x32_t\*'[^\n]* to 'svint8_t\*'} }
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188
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189 // Pointer arithmetic.
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190
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191 ++sve_sc_ptr; // { dg-error {arithmetic on pointer to SVE type 'svint8_t'} }
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192 --sve_sc_ptr; // { dg-error {arithmetic on pointer to SVE type 'svint8_t'} }
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193 sve_sc_ptr++; // { dg-error {arithmetic on pointer to SVE type 'svint8_t'} }
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194 sve_sc_ptr--; // { dg-error {arithmetic on pointer to SVE type 'svint8_t'} }
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195 sve_sc_ptr += 0; // { dg-error {arithmetic on pointer to SVE type 'svint8_t'} }
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196 sve_sc_ptr += 1; // { dg-error {arithmetic on pointer to SVE type 'svint8_t'} }
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197 sve_sc_ptr -= 0; // { dg-error {arithmetic on pointer to SVE type 'svint8_t'} }
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198 sve_sc_ptr -= 1; // { dg-error {arithmetic on pointer to SVE type 'svint8_t'} }
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199 sve_sc_ptr - sve_sc_ptr; // { dg-error {arithmetic on pointer to SVE type 'svint8_t'} }
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200 gnu_sc_ptr - sve_sc_ptr; // { dg-error {invalid operands of types 'int8x32_t\*'[^\n]* and 'svint8_t\*' to binary 'operator-'} }
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201 sve_sc_ptr - gnu_sc_ptr; // { dg-error {invalid operands of types 'svint8_t\*' and 'int8x32_t\*'[^\n]* to binary 'operator-'} }
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202 sve_sc1 = sve_sc_ptr[0]; // { dg-error {arithmetic on pointer to SVE type 'svint8_t'} }
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203 sve_sc1 = sve_sc_ptr[1]; // { dg-error {arithmetic on pointer to SVE type 'svint8_t'} }
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204
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205 // Pointer comparison.
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206
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207 sve_sc_ptr == &sve_sc1;
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208 sve_sc_ptr != &sve_sc1;
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209 sve_sc_ptr < &sve_sc1;
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210 sve_sc_ptr <= &sve_sc1;
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211 sve_sc_ptr > &sve_sc1;
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212 sve_sc_ptr >= &sve_sc1;
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213 gnu_sc_ptr == sve_sc_ptr; // { dg-error {comparison between distinct pointer types [^\n]*lacks a cast} }
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214 gnu_sc_ptr != sve_sc_ptr; // { dg-error {comparison between distinct pointer types [^\n]*lacks a cast} }
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215 gnu_sc_ptr < sve_sc_ptr; // { dg-error {comparison between distinct pointer types [^\n]*lacks a cast} }
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216 gnu_sc_ptr <= sve_sc_ptr; // { dg-error {comparison between distinct pointer types [^\n]*lacks a cast} }
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217 gnu_sc_ptr > sve_sc_ptr; // { dg-error {comparison between distinct pointer types [^\n]*lacks a cast} }
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218 gnu_sc_ptr >= sve_sc_ptr; // { dg-error {comparison between distinct pointer types [^\n]*lacks a cast} }
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219 sve_sc_ptr == gnu_sc_ptr; // { dg-error {comparison between distinct pointer types [^\n]*lacks a cast} }
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220 sve_sc_ptr != gnu_sc_ptr; // { dg-error {comparison between distinct pointer types [^\n]*lacks a cast} }
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221 sve_sc_ptr < gnu_sc_ptr; // { dg-error {comparison between distinct pointer types [^\n]*lacks a cast} }
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222 sve_sc_ptr <= gnu_sc_ptr; // { dg-error {comparison between distinct pointer types [^\n]*lacks a cast} }
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223 sve_sc_ptr > gnu_sc_ptr; // { dg-error {comparison between distinct pointer types [^\n]*lacks a cast} }
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224 sve_sc_ptr >= gnu_sc_ptr; // { dg-error {comparison between distinct pointer types [^\n]*lacks a cast} }
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225
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226 // New and delete.
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227
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228 new svint8_t; // { dg-error {cannot allocate objects with SVE type 'svint8_t'} }
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229 new svint8_t (); // { dg-error {cannot allocate objects with SVE type 'svint8_t'} }
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230
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231 new (global_sve_sc_ptr) svint8_t; // { dg-error {cannot allocate objects with SVE type 'svint8_t'} }
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232 new (global_sve_sc_ptr) svint8_t (); // { dg-error {cannot allocate objects with SVE type 'svint8_t'} }
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233
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234 sve_sc1.~svint8_t(); // { dg-error {expected class-name before '\(' token} }
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235 delete sve_sc_ptr; // { dg-error {cannot delete objects with SVE type '(svint8_t|__SVInt8_t)'} }
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236 delete[] sve_sc_ptr; // { dg-error {cannot delete objects with SVE type 'svint8_t'} }
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237
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238 // Conditional expressions.
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239
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240 0 ? sve_sc1 : sve_sc1;
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241 0 ? sve_sc1 : sve_sh1; // { dg-error {different types 'svint8_t' and 'svint16_t'} }
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242 0 ? sve_sc1 : 0; // { dg-error {different types 'svint8_t' and 'int'} }
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243 0 ? 0 : sve_sc1; // { dg-error {different types 'int' and 'svint8_t'} }
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244 0 ? sve_sc1 : sve_sc1;
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245 0 ? sve_sc_ptr : sve_sc_ptr;
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246 0 ? sve_sc_ptr : gnu_sc_ptr; // { dg-error {conditional expression between distinct pointer types [^\n]*lacks a cast} }
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247 0 ? gnu_sc_ptr : sve_sc_ptr; // { dg-error {conditional expression between distinct pointer types [^\n]*lacks a cast} }
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248
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249 // Function arguments.
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250
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251 ext_consume_sve_sc (sve_sc1);
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252 ext_consume_sve_sc (sve_sh1); // { dg-error {cannot convert 'svint16_t' to 'svint8_t'} }
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253 ext_consume_const_int_ref (sve_sc1); // { dg-error {invalid initialization of reference of type 'const int&' from expression of type 'svint8_t'} }
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254 ext_consume_varargs (sve_sc1); // { dg-error {cannot convert 'svint8_t' to 'int'} }
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255 ext_consume_varargs (1, sve_sc1);
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256
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257 // Function returns.
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258
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259 ext_produce_sve_sc ();
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260 sve_sc1 = ext_produce_sve_sc ();
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261 sve_sh1 = ext_produce_sve_sc (); // { dg-error {cannot convert 'svint8_t' to 'svint16_t' in assignment} }
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262
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263 // Auto
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264
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265 #if __cplusplus >= 201103L
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266 auto auto_sve_sc1 = sve_sc1;
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267 auto auto_sve_sc1_return = ext_produce_sve_sc ();
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268 #endif
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269
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270 // Varargs processing.
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271
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272 __builtin_va_list valist;
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273 __builtin_va_arg (valist, svint8_t);
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274
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275 // Other built-ins
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276
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277 __builtin_launder (sve_sc1); // { dg-error {non-pointer argument to '__builtin_launder'} }
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278 __builtin_memcpy (&sve_sc1, &sve_sc2, 2);
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279
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280 // Lambdas
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281
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282 #if __cplusplus >= 201103L
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283 [sve_sc1] () {}; // { dg-error {capture by copy of SVE type 'svint8_t'} "" { target c++11 } }
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284 [=] () { &sve_sc1; }; // { dg-error {capture by copy of SVE type 'svint8_t'} "" { target c++11 } }
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285 [&sve_sc1] () { sve_sc1 = sve_sc2; }; // { dg-error {'sve_sc2' is not captured} "" { target c++11 } }
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286 [&sve_sc1, &sve_sc2] () { sve_sc1 = sve_sc2; };
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287 [&] () { sve_sc1 = sve_sc2; };
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288 [] () { return ext_produce_sve_sc (); } ();
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289 #endif
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290
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291 // Exceptions
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292
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293 throw svint8_t (); // { dg-error {cannot throw or catch SVE type 'svint8_t'} }
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294 try {} catch (svint8_t x) {} // { dg-error {cannot throw or catch SVE type 'svint8_t'} }
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295 try {} catch (svint8_t &x) {} // { dg-error {cannot throw or catch SVE type 'svint8_t'} }
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296 try {} catch (svint8_t *x) {}
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297 #if __cplusplus < 201103L
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298 thrower2 ();
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299 #endif
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300
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301 // Use in traits. Doesn't use static_assert so that tests work with
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302 // earlier -std=s.
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303
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304 { typedef int f[__has_nothrow_assign (svint8_t) ? 1 : -1]; }
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305 { typedef int f[__has_trivial_assign (svint8_t) ? 1 : -1]; }
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306 { typedef int f[__has_nothrow_constructor (svint8_t) ? 1 : -1]; }
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307 { typedef int f[__has_trivial_constructor (svint8_t) ? 1 : -1]; }
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308 { typedef int f[__has_nothrow_copy (svint8_t) ? 1 : -1]; }
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309 { typedef int f[__has_trivial_copy (svint8_t) ? 1 : -1]; }
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310 { typedef int f[__has_trivial_destructor (svint8_t) ? 1 : -1]; }
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311 { typedef int f[__has_unique_object_representations (svint8_t) ? 1 : -1]; }
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312 { typedef int f[!__has_virtual_destructor (svint8_t) ? 1 : -1]; }
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313 { typedef int f[!__is_abstract (svint8_t) ? 1 : -1]; }
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314 { typedef int f[!__is_aggregate (svint8_t) ? 1 : -1]; }
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315 { typedef int f[!__is_base_of (svint8_t, svint8_t) ? 1 : -1]; }
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316 { typedef int f[!__is_base_of (svint8_t, svint16_t) ? 1 : -1]; }
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317 { typedef int f[!__is_class (svint8_t) ? 1 : -1]; }
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318 { typedef int f[!__is_empty (svint8_t) ? 1 : -1]; }
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319 { typedef int f[!__is_enum (svint8_t) ? 1 : -1]; }
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320 { typedef int f[!__is_final (svint8_t) ? 1 : -1]; }
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321 { typedef int f[__is_pod (svint8_t) ? 1 : -1]; }
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322 { typedef int f[!__is_polymorphic (svint8_t) ? 1 : -1]; }
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323 { typedef int f[__is_same_as (svint8_t, svint8_t) ? 1 : -1]; }
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324 { typedef int f[!__is_same_as (svint8_t, int8x32_t) ? 1 : -1]; }
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325 { typedef int f[!__is_same_as (int8x32_t, svint8_t) ? 1 : -1]; }
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326 { typedef int f[__is_same_as (svint8_t *, svint8_t *) ? 1 : -1]; }
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327 { typedef int f[!__is_same_as (svint8_t *, int8x32_t *) ? 1 : -1]; }
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328 { typedef int f[!__is_same_as (int8x32_t *, svint8_t *) ? 1 : -1]; }
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329 { typedef int f[!__is_same_as (svint8_t, int) ? 1 : -1]; }
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330 { typedef int f[!__is_same_as (svint8_t, svint16_t) ? 1 : -1]; }
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331 { typedef int f[__is_trivial (svint8_t) ? 1 : -1]; }
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332 { typedef int f[!__is_union (svint8_t) ? 1 : -1]; }
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333 { typedef int f[__is_trivially_copyable (svint8_t) ? 1 : -1]; }
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334 /* The intention is that svint8_t should behave like int8x32_t here. If the behavior
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335 for int8x32_t changes then the behavior for svint8_t should change in the same
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336 way. */
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337 { typedef int f[!__is_trivially_assignable (int8x32_t, int8x32_t) ? 1 : -1]; }
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338 { typedef int f[!__is_trivially_assignable (svint8_t, svint8_t) ? 1 : -1]; }
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339 { typedef int f[!__is_trivially_assignable (svint8_t, int8x32_t) ? 1 : -1]; }
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340 { typedef int f[!__is_trivially_assignable (int8x32_t, svint8_t) ? 1 : -1]; }
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341 { typedef int f[!__is_trivially_assignable (svint8_t, int) ? 1 : -1]; }
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342 { typedef int f[!__is_trivially_assignable (svint8_t, svint16_t) ? 1 : -1]; }
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343 { typedef int f[!__is_assignable (int8x32_t, int8x32_t) ? 1 : -1]; }
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344 { typedef int f[!__is_assignable (svint8_t, svint8_t) ? 1 : -1]; }
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345 { typedef int f[!__is_assignable (svint8_t, int8x32_t) ? 1 : -1]; }
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346 { typedef int f[!__is_assignable (int8x32_t, svint8_t) ? 1 : -1]; }
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347 { typedef int f[!__is_assignable (svint8_t, int) ? 1 : -1]; }
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348 { typedef int f[!__is_assignable (svint8_t, svint16_t) ? 1 : -1]; }
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349 { typedef int f[__is_trivially_constructible (svint8_t) ? 1 : -1]; }
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350 { typedef int f[__is_trivially_constructible (int8x32_t, int8x32_t) ? 1 : -1]; }
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351 { typedef int f[__is_trivially_constructible (svint8_t, svint8_t) ? 1 : -1]; }
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352 { typedef int f[__is_trivially_constructible (svint8_t, int8x32_t) ? 1 : -1]; }
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353 { typedef int f[__is_trivially_constructible (int8x32_t, svint8_t) ? 1 : -1]; }
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354 { typedef int f[!__is_trivially_constructible (svint8_t, int) ? 1 : -1]; }
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355 { typedef int f[!__is_trivially_constructible (svint8_t, svint16_t) ? 1 : -1]; }
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356 { typedef int f[__is_constructible (svint8_t) ? 1 : -1]; }
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357 { typedef int f[__is_constructible (int8x32_t, int8x32_t) ? 1 : -1]; }
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358 { typedef int f[__is_constructible (svint8_t, svint8_t) ? 1 : -1]; }
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359 { typedef int f[__is_constructible (svint8_t, int8x32_t) ? 1 : -1]; }
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360 { typedef int f[__is_constructible (int8x32_t, svint8_t) ? 1 : -1]; }
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361 { typedef int f[!__is_constructible (svint8_t, int) ? 1 : -1]; }
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362 { typedef int f[!__is_constructible (svint8_t, svint16_t) ? 1 : -1]; }
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363 }
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364
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365 // Function parameters in definitions.
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366
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367 void
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368 unnamed_st1 (svint8_t)
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369 {
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370 }
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371
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372 void
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373 named_st1 (svint8_t param1)
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374 {
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375 svint8_t sve_sc1 = param1;
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376 }
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377
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378 // Function return values in definitions.
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379
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380 svint8_t
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381 ret_st1 (svint8_t param)
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382 {
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383 return param;
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384 }
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385
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386 svint8_t
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387 bad_ret_st1 (svint16_t param)
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388 {
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389 return param; // { dg-error {cannot convert 'svint16_t' to 'svint8_t' in return} }
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390 }
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391
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392 #if __cplusplus >= 201103L
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393 template<typename T>
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394 void
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395 const_to_sve_sc (T i)
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396 {
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397 constexpr svint8_t a = (svint8_t) i;
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398 }
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399 #endif
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400
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401 template<typename T>
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402 int
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403 get_x (T *a)
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404 {
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405 return a->a; // { dg-error {request for member 'a' in '\* a', which is of non-class type} }
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406 }
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407 template int get_x<svint8_t>(svint8_t *);
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408
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409 #if __cplusplus < 201103L
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410 void thrower3 () throw (svint8_t) {} // { dg-error {cannot throw or catch SVE type 'svint8_t'} "" { target c++98_only } }
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411 #endif
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412
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413 // Using "auto" as a return type.
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414
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415 #if __cplusplus >= 201402L
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416 auto auto_ret_sve_sc (svint8_t *ptr) { return *ptr; }
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417 const auto &auto_ret_const_sve_sc_ref (svint8_t *ptr) { return *ptr; }
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418 auto &auto_ret_sve_sc_ref (svint8_t *ptr) { return *ptr; }
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419 auto &&auto_ret_sve_sc_rvalue_ref (svint8_t *ptr) { return *ptr; }
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420 #endif
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