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111
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1 /* { dg-do compile } */
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2 /* { dg-options "-O -fdiagnostics-show-caret -fpermissive" } */
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3
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4 /* This is a collection of unittests to verify that we're correctly
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5 capturing the source code ranges of various kinds of expression.
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6
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7 It uses the various "diagnostic_test_*_expression_range_plugin"
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8 plugins which handles "__emit_expression_range" by generating a warning
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9 at the given source range of the input argument. Each of the
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10 different plugins do this at a different phase of the internal
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11 representation (tree, gimple, etc), so we can verify that the
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12 source code range information is valid at each phase.
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13
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14 We want to accept an expression of any type. We use variadic arguments.
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15 For compatibility with the C tests we have a dummy argument, since
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16 C requires at least one argument before the ellipsis. */
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17
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18 extern void __emit_expression_range (int dummy, ...);
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19
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20 int global;
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21
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131
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22 void test_global (void)
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23 {
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24 __emit_expression_range (0, global); /* { dg-warning "range" } */
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25 /* { dg-begin-multiline-output "" }
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26 __emit_expression_range (0, global);
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27 ^~~~~~
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28 { dg-end-multiline-output "" } */
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29 }
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30
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31 void test_param (int param)
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32 {
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33 __emit_expression_range (0, param); /* { dg-warning "range" } */
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34 /* { dg-begin-multiline-output "" }
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35 __emit_expression_range (0, param);
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36 ^~~~~
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37 { dg-end-multiline-output "" } */
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38 }
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39
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40 void test_local (void)
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41 {
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42 int local = 5;
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43
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44 __emit_expression_range (0, local); /* { dg-warning "range" } */
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45 /* { dg-begin-multiline-output "" }
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46 __emit_expression_range (0, local);
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47 ^~~~~
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48 { dg-end-multiline-output "" } */
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49 }
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50
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51 void test_integer_constants (void)
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52 {
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53 __emit_expression_range (0, 1234); /* { dg-warning "range" } */
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54 /* { dg-begin-multiline-output "" }
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55 __emit_expression_range (0, 1234);
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56 ^~~~
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57 { dg-end-multiline-output "" } */
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58
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59 /* Ensure that zero works. */
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60
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61 __emit_expression_range (0, 0); /* { dg-warning "range" } */
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62 /* { dg-begin-multiline-output "" }
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63 __emit_expression_range (0, 0);
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64 ^
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65 { dg-end-multiline-output "" } */
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66 }
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67
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68 void test_character_constants (void)
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69 {
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70 __emit_expression_range (0, 'a'); /* { dg-warning "range" } */
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71 /* { dg-begin-multiline-output "" }
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72 __emit_expression_range (0, 'a');
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73 ^~~
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74 { dg-end-multiline-output "" } */
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75 }
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76
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77 void test_floating_constants (void)
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78 {
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79 __emit_expression_range (0, 98.6); /* { dg-warning "range" } */
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80 /* { dg-begin-multiline-output "" }
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81 __emit_expression_range (0, 98.6);
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82 ^~~~
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83 { dg-end-multiline-output "" } */
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84
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85 __emit_expression_range (0, .6); /* { dg-warning "range" } */
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86 /* { dg-begin-multiline-output "" }
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87 __emit_expression_range (0, .6);
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88 ^~
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89 { dg-end-multiline-output "" } */
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90
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91 __emit_expression_range (0, 98.); /* { dg-warning "range" } */
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92 /* { dg-begin-multiline-output "" }
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93 __emit_expression_range (0, 98.);
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94 ^~~
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95 { dg-end-multiline-output "" } */
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96
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97 __emit_expression_range (0, 6.022140857e23 ); /* { dg-warning "range" } */
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98 /* { dg-begin-multiline-output "" }
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99 __emit_expression_range (0, 6.022140857e23 );
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100 ^~~~~~~~~~~~~~
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101 { dg-end-multiline-output "" } */
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102
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103 __emit_expression_range (0, 98.6f ); /* { dg-warning "range" } */
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104 /* { dg-begin-multiline-output "" }
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105 __emit_expression_range (0, 98.6f );
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106 ^~~~~
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107 { dg-end-multiline-output "" } */
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108
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109 __emit_expression_range (0, 6.022140857e23l ); /* { dg-warning "range" } */
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110 /* { dg-begin-multiline-output "" }
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111 __emit_expression_range (0, 6.022140857e23l );
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112 ^~~~~~~~~~~~~~~
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113 { dg-end-multiline-output "" } */
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114 }
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115
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116 enum test_enum {
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117 TEST_ENUM_VALUE
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118 };
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119
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120 void test_enumeration_constant (void)
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121 {
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122 __emit_expression_range (0, TEST_ENUM_VALUE ); /* { dg-warning "range" } */
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123 /* { dg-begin-multiline-output "" }
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124 __emit_expression_range (0, TEST_ENUM_VALUE );
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125 ^~~~~~~~~~~~~~~
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126 { dg-end-multiline-output "" } */
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127 }
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128
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111
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129 void test_parentheses (int a, int b)
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130 {
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131 __emit_expression_range (0, (a + b) ); /* { dg-warning "range" } */
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132 /* { dg-begin-multiline-output "" }
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133 __emit_expression_range (0, (a + b) );
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134 ~~~^~~~
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135 { dg-end-multiline-output "" } */
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136
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137 __emit_expression_range (0, (a + b) * (a - b) ); /* { dg-warning "range" } */
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138 /* { dg-begin-multiline-output "" }
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139 __emit_expression_range (0, (a + b) * (a - b) );
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140 ~~~~~~~~^~~~~~~~~
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141 { dg-end-multiline-output "" } */
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142
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143 __emit_expression_range (0, !(a && b) ); /* { dg-warning "range" } */
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144 /* { dg-begin-multiline-output "" }
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145 __emit_expression_range (0, !(a && b) );
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146 ^~~~~~~~~
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147 { dg-end-multiline-output "" } */
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148 }
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149
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150 /* Postfix expressions. ************************************************/
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151
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152 void test_array_reference (int *arr)
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153 {
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154 __emit_expression_range (0, arr[100] ); /* { dg-warning "range" } */
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155 /* { dg-begin-multiline-output "" }
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156 __emit_expression_range (0, arr[100] );
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157 ~~~~~~~^
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158 { dg-end-multiline-output "" } */
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159 }
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160
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161 int test_function_call (int p, int q, int r)
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162 {
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163 __emit_expression_range (0, test_function_call (p, q, r) ); /* { dg-warning "range" } */
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164 /* { dg-begin-multiline-output "" }
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165 __emit_expression_range (0, test_function_call (p, q, r) );
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166 ~~~~~~~~~~~~~~~~~~~^~~~~~~~~
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167 { dg-end-multiline-output "" } */
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168 return 0;
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169 }
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170
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171 struct test_struct
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172 {
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173 int field;
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174 };
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175
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131
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176 void test_structure_references (struct test_struct *ptr)
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111
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177 {
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178 struct test_struct local;
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179 local.field = 42;
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180
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181 __emit_expression_range (0, local.field ); /* { dg-warning "range" } */
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182 /* { dg-begin-multiline-output "" }
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183 __emit_expression_range (0, local.field );
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184 ~~~~~~^~~~~
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185 { dg-end-multiline-output "" } */
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186
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187 __emit_expression_range (0, ptr->field ); /* { dg-warning "range" } */
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188 /* { dg-begin-multiline-output "" }
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189 __emit_expression_range (0, ptr->field );
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190 ~~~~~^~~~~
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191 { dg-end-multiline-output "" } */
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192 }
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193
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131
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194 void test_postfix_incdec (int i)
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111
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195 {
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196 __emit_expression_range (0, i++ ); /* { dg-warning "range" } */
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197 /* { dg-begin-multiline-output "" }
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198 __emit_expression_range (0, i++ );
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199 ~^~
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200 { dg-end-multiline-output "" } */
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201
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202 __emit_expression_range (0, i-- ); /* { dg-warning "range" } */
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203 /* { dg-begin-multiline-output "" }
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204 __emit_expression_range (0, i-- );
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205 ~^~
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206 { dg-end-multiline-output "" } */
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207 }
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208
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209 /* Unary operators. ****************************************************/
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210
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131
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211 void test_sizeof (int i)
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111
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212 {
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131
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213 __emit_expression_range (0, sizeof i ); /* { dg-warning "range" } */
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111
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214 /* { dg-begin-multiline-output "" }
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131
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215 __emit_expression_range (0, sizeof i );
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216 ^~~~~~~~
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111
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217 { dg-end-multiline-output "" } */
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218
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131
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219 __emit_expression_range (0, sizeof (char) ); /* { dg-warning "range" } */
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111
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220 /* { dg-begin-multiline-output "" }
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131
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221 __emit_expression_range (0, sizeof (char) );
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222 ^~~~~~~~~~~~~
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111
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223 { dg-end-multiline-output "" } */
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224 }
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225
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131
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226 void test_alignof (int i)
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111
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227 {
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131
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228 __emit_expression_range (0, alignof(int)); /* { dg-warning "range" } */
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111
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229 /* { dg-begin-multiline-output "" }
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131
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230 __emit_expression_range (0, alignof(int));
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231 ^~~~~~~~~~~~
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111
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232 { dg-end-multiline-output "" } */
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233
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131
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234 __emit_expression_range (0, __alignof__(int)); /* { dg-warning "range" } */
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111
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235 /* { dg-begin-multiline-output "" }
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131
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236 __emit_expression_range (0, __alignof__(int));
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237 ^~~~~~~~~~~~~~~~
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111
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238 { dg-end-multiline-output "" } */
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131
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239 __emit_expression_range (0, __alignof__ i); /* { dg-warning "range" } */
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111
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240 /* { dg-begin-multiline-output "" }
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131
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241 __emit_expression_range (0, __alignof__ i);
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242 ^~~~~~~~~~~~~
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111
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243 { dg-end-multiline-output "" } */
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244 }
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245
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131
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246 void test_prefix_incdec (int i)
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111
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247 {
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248 __emit_expression_range (0, ++i ); /* { dg-warning "range" } */
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249 /* { dg-begin-multiline-output "" }
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250 __emit_expression_range (0, ++i );
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251 ^~~
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252 { dg-end-multiline-output "" } */
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253
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254 __emit_expression_range (0, --i ); /* { dg-warning "range" } */
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255 /* { dg-begin-multiline-output "" }
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256 __emit_expression_range (0, --i );
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257 ^~~
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258 { dg-end-multiline-output "" } */
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259 }
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260
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261 void test_address_operator (void)
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262 {
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263 __emit_expression_range (0, &global ); /* { dg-warning "range" } */
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264 /* { dg-begin-multiline-output "" }
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265 __emit_expression_range (0, &global );
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266 ^~~~~~~
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267 { dg-end-multiline-output "" } */
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268 }
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269
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270 void test_indirection (int *ptr)
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271 {
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272 __emit_expression_range (0, *ptr ); /* { dg-warning "range" } */
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273 /* { dg-begin-multiline-output "" }
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274 __emit_expression_range (0, *ptr );
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275 ^~~~
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276 { dg-end-multiline-output "" } */
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277 }
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278
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131
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279 void test_unary_plus (int i)
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280 {
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281 __emit_expression_range (0, +i ); /* { dg-warning "range" } */
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282 /* { dg-begin-multiline-output "" }
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283 __emit_expression_range (0, +i );
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284 ^~
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285 { dg-end-multiline-output "" } */
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286 }
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287
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111
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288 void test_unary_minus (int i)
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289 {
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290 __emit_expression_range (0, -i ); /* { dg-warning "range" } */
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291 /* { dg-begin-multiline-output "" }
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292 __emit_expression_range (0, -i );
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293 ^~
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294 { dg-end-multiline-output "" } */
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295 }
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296
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297 void test_ones_complement (int i)
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298 {
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299 __emit_expression_range (0, ~i ); /* { dg-warning "range" } */
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300 /* { dg-begin-multiline-output "" }
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301 __emit_expression_range (0, ~i );
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302 ^~
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303 { dg-end-multiline-output "" } */
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304 }
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305
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306 void test_logical_negation (int flag)
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307 {
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308 __emit_expression_range (0, !flag ); /* { dg-warning "range" } */
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309 /* { dg-begin-multiline-output "" }
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310 __emit_expression_range (0, !flag );
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311 ^~~~~
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312 { dg-end-multiline-output "" } */
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313 }
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314
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315 /* Casts. ****************************************************/
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316
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317 void test_cast (void *ptr)
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318 {
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319 __emit_expression_range (0, (int *)ptr ); /* { dg-warning "range" } */
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320 /* { dg-begin-multiline-output "" }
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321 __emit_expression_range (0, (int *)ptr );
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322 ^~~~~~~~~~
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323 { dg-end-multiline-output "" } */
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324
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325 __emit_expression_range (0, *(int *)0xdeadbeef ); /* { dg-warning "range" } */
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326 /* { dg-begin-multiline-output "" }
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327 __emit_expression_range (0, *(int *)0xdeadbeef );
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328 ^~~~~~~~~~~~~~~~~~
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329 { dg-end-multiline-output "" } */
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330
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331 }
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332
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333 /* Binary operators. *******************************************/
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334
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335 void test_multiplicative_operators (int lhs, int rhs)
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336 {
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337 __emit_expression_range (0, lhs * rhs ); /* { dg-warning "range" } */
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338 /* { dg-begin-multiline-output "" }
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339 __emit_expression_range (0, lhs * rhs );
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340 ~~~~^~~~~
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341 { dg-end-multiline-output "" } */
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342
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343 __emit_expression_range (0, lhs / rhs ); /* { dg-warning "range" } */
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344 /* { dg-begin-multiline-output "" }
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345 __emit_expression_range (0, lhs / rhs );
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346 ~~~~^~~~~
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347 { dg-end-multiline-output "" } */
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348
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349 __emit_expression_range (0, lhs % rhs ); /* { dg-warning "range" } */
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350 /* { dg-begin-multiline-output "" }
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351 __emit_expression_range (0, lhs % rhs );
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352 ~~~~^~~~~
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353 { dg-end-multiline-output "" } */
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354 }
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355
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356 void test_additive_operators (int lhs, int rhs)
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357 {
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358 __emit_expression_range (0, lhs + rhs ); /* { dg-warning "range" } */
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359 /* { dg-begin-multiline-output "" }
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360 __emit_expression_range (0, lhs + rhs );
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361 ~~~~^~~~~
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362 { dg-end-multiline-output "" } */
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363
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364 __emit_expression_range (0, lhs - rhs ); /* { dg-warning "range" } */
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365 /* { dg-begin-multiline-output "" }
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366 __emit_expression_range (0, lhs - rhs );
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367 ~~~~^~~~~
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368 { dg-end-multiline-output "" } */
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369 }
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370
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371 void test_shift_operators (int lhs, int rhs)
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372 {
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373 __emit_expression_range (0, lhs << rhs ); /* { dg-warning "range" } */
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374 /* { dg-begin-multiline-output "" }
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375 __emit_expression_range (0, lhs << rhs );
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376 ~~~~^~~~~~
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377 { dg-end-multiline-output "" } */
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378
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379 __emit_expression_range (0, lhs >> rhs ); /* { dg-warning "range" } */
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380 /* { dg-begin-multiline-output "" }
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381 __emit_expression_range (0, lhs >> rhs );
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382 ~~~~^~~~~~
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383 { dg-end-multiline-output "" } */
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384 }
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385
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386 void test_relational_operators (int lhs, int rhs)
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387 {
|
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388 __emit_expression_range (0, lhs < rhs ); /* { dg-warning "range" } */
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389 /* { dg-begin-multiline-output "" }
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390 __emit_expression_range (0, lhs < rhs );
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391 ~~~~^~~~~
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392 { dg-end-multiline-output "" } */
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393
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394 __emit_expression_range (0, lhs > rhs ); /* { dg-warning "range" } */
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395 /* { dg-begin-multiline-output "" }
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396 __emit_expression_range (0, lhs > rhs );
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397 ~~~~^~~~~
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398 { dg-end-multiline-output "" } */
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399
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400 __emit_expression_range (0, lhs <= rhs ); /* { dg-warning "range" } */
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401 /* { dg-begin-multiline-output "" }
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402 __emit_expression_range (0, lhs <= rhs );
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403 ~~~~^~~~~~
|
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404 { dg-end-multiline-output "" } */
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405
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406 __emit_expression_range (0, lhs >= rhs ); /* { dg-warning "range" } */
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407 /* { dg-begin-multiline-output "" }
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408 __emit_expression_range (0, lhs >= rhs );
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409 ~~~~^~~~~~
|
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410 { dg-end-multiline-output "" } */
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411 }
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412
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413 void test_equality_operators (int lhs, int rhs)
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414 {
|
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415 __emit_expression_range (0, lhs == rhs ); /* { dg-warning "range" } */
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416 /* { dg-begin-multiline-output "" }
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417 __emit_expression_range (0, lhs == rhs );
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418 ~~~~^~~~~~
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419 { dg-end-multiline-output "" } */
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420
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421 __emit_expression_range (0, lhs != rhs ); /* { dg-warning "range" } */
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422 /* { dg-begin-multiline-output "" }
|
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423 __emit_expression_range (0, lhs != rhs );
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424 ~~~~^~~~~~
|
|
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425 { dg-end-multiline-output "" } */
|
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426 }
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427
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428 void test_bitwise_binary_operators (int lhs, int rhs)
|
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429 {
|
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430 __emit_expression_range (0, lhs & rhs ); /* { dg-warning "range" } */
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431 /* { dg-begin-multiline-output "" }
|
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432 __emit_expression_range (0, lhs & rhs );
|
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|
433 ~~~~^~~~~
|
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434 { dg-end-multiline-output "" } */
|
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435
|
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436 __emit_expression_range (0, lhs ^ rhs ); /* { dg-warning "range" } */
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|
437 /* { dg-begin-multiline-output "" }
|
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438 __emit_expression_range (0, lhs ^ rhs );
|
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|
439 ~~~~^~~~~
|
|
|
440 { dg-end-multiline-output "" } */
|
|
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441
|
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442 __emit_expression_range (0, lhs | rhs ); /* { dg-warning "range" } */
|
|
|
443 /* { dg-begin-multiline-output "" }
|
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444 __emit_expression_range (0, lhs | rhs );
|
|
|
445 ~~~~^~~~~
|
|
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446 { dg-end-multiline-output "" } */
|
|
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447 }
|
|
|
448
|
|
|
449 void test_logical_operators (int lhs, int rhs)
|
|
|
450 {
|
|
|
451 __emit_expression_range (0, lhs && rhs ); /* { dg-warning "range" } */
|
|
|
452 /* { dg-begin-multiline-output "" }
|
|
|
453 __emit_expression_range (0, lhs && rhs );
|
|
|
454 ~~~~^~~~~~
|
|
|
455 { dg-end-multiline-output "" } */
|
|
|
456
|
|
|
457 __emit_expression_range (0, lhs || rhs ); /* { dg-warning "range" } */
|
|
|
458 /* { dg-begin-multiline-output "" }
|
|
|
459 __emit_expression_range (0, lhs || rhs );
|
|
|
460 ~~~~^~~~~~
|
|
|
461 { dg-end-multiline-output "" } */
|
|
|
462 }
|
|
|
463
|
|
|
464 /* Conditional operator. *******************************************/
|
|
|
465
|
|
|
466 void test_conditional_operators (int flag, int on_true, int on_false)
|
|
|
467 {
|
|
|
468 __emit_expression_range (0, flag ? on_true : on_false ); /* { dg-warning "range" } */
|
|
|
469 /* { dg-begin-multiline-output "" }
|
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|
470 __emit_expression_range (0, flag ? on_true : on_false );
|
|
|
471 ~~~~~^~~~~~~~~~~~~~~~~~~~
|
|
|
472 { dg-end-multiline-output "" } */
|
|
|
473 }
|
|
|
474
|
|
|
475 /* Assignment expressions. *******************************************/
|
|
|
476
|
|
|
477 void test_assignment_expressions (int dest, int other)
|
|
|
478 {
|
|
|
479 __emit_expression_range (0, dest = other ); /* { dg-warning "range" } */
|
|
|
480 /* { dg-begin-multiline-output "" }
|
|
|
481 __emit_expression_range (0, dest = other );
|
|
|
482 ~~~~~^~~~~~~
|
|
|
483 { dg-end-multiline-output "" } */
|
|
|
484
|
|
|
485 __emit_expression_range (0, dest *= other ); /* { dg-warning "range" } */
|
|
|
486 /* { dg-begin-multiline-output "" }
|
|
|
487 __emit_expression_range (0, dest *= other );
|
|
|
488 ~~~~~^~~~~~~~
|
|
|
489 { dg-end-multiline-output "" } */
|
|
|
490
|
|
|
491 __emit_expression_range (0, dest /= other ); /* { dg-warning "range" } */
|
|
|
492 /* { dg-begin-multiline-output "" }
|
|
|
493 __emit_expression_range (0, dest /= other );
|
|
|
494 ~~~~~^~~~~~~~
|
|
|
495 { dg-end-multiline-output "" } */
|
|
|
496
|
|
|
497 __emit_expression_range (0, dest %= other ); /* { dg-warning "range" } */
|
|
|
498 /* { dg-begin-multiline-output "" }
|
|
|
499 __emit_expression_range (0, dest %= other );
|
|
|
500 ~~~~~^~~~~~~~
|
|
|
501 { dg-end-multiline-output "" } */
|
|
|
502
|
|
|
503 __emit_expression_range (0, dest += other ); /* { dg-warning "range" } */
|
|
|
504 /* { dg-begin-multiline-output "" }
|
|
|
505 __emit_expression_range (0, dest += other );
|
|
|
506 ~~~~~^~~~~~~~
|
|
|
507 { dg-end-multiline-output "" } */
|
|
|
508
|
|
|
509 __emit_expression_range (0, dest -= other ); /* { dg-warning "range" } */
|
|
|
510 /* { dg-begin-multiline-output "" }
|
|
|
511 __emit_expression_range (0, dest -= other );
|
|
|
512 ~~~~~^~~~~~~~
|
|
|
513 { dg-end-multiline-output "" } */
|
|
|
514
|
|
|
515 __emit_expression_range (0, dest <<= other ); /* { dg-warning "range" } */
|
|
|
516 /* { dg-begin-multiline-output "" }
|
|
|
517 __emit_expression_range (0, dest <<= other );
|
|
|
518 ~~~~~^~~~~~~~~
|
|
|
519 { dg-end-multiline-output "" } */
|
|
|
520
|
|
|
521 __emit_expression_range (0, dest >>= other ); /* { dg-warning "range" } */
|
|
|
522 /* { dg-begin-multiline-output "" }
|
|
|
523 __emit_expression_range (0, dest >>= other );
|
|
|
524 ~~~~~^~~~~~~~~
|
|
|
525 { dg-end-multiline-output "" } */
|
|
|
526
|
|
|
527 __emit_expression_range (0, dest &= other ); /* { dg-warning "range" } */
|
|
|
528 /* { dg-begin-multiline-output "" }
|
|
|
529 __emit_expression_range (0, dest &= other );
|
|
|
530 ~~~~~^~~~~~~~
|
|
|
531 { dg-end-multiline-output "" } */
|
|
|
532
|
|
|
533 __emit_expression_range (0, dest ^= other ); /* { dg-warning "range" } */
|
|
|
534 /* { dg-begin-multiline-output "" }
|
|
|
535 __emit_expression_range (0, dest ^= other );
|
|
|
536 ~~~~~^~~~~~~~
|
|
|
537 { dg-end-multiline-output "" } */
|
|
|
538
|
|
|
539 __emit_expression_range (0, dest |= other ); /* { dg-warning "range" } */
|
|
|
540 /* { dg-begin-multiline-output "" }
|
|
|
541 __emit_expression_range (0, dest |= other );
|
|
|
542 ~~~~~^~~~~~~~
|
|
|
543 { dg-end-multiline-output "" } */
|
|
|
544 }
|
|
|
545
|
|
|
546 /* Comma operator. *******************************************/
|
|
|
547
|
|
|
548 void test_comma_operator (int a, int b)
|
|
|
549 {
|
|
|
550 __emit_expression_range (0, (a++, a + b) ); /* { dg-warning "range" } */
|
|
|
551 /* { dg-begin-multiline-output "" }
|
|
|
552 __emit_expression_range (0, (a++, a + b) );
|
|
|
553 ~~~~^~~~~~~~
|
|
|
554 { dg-end-multiline-output "" } */
|
|
|
555 }
|
|
|
556
|
|
|
557 /* Literals. **************************************************/
|
|
|
558
|
|
131
|
559 void test_string_literals ()
|
|
111
|
560 {
|
|
131
|
561 __emit_expression_range (0, "0123456789"); /* { dg-warning "range" } */
|
|
111
|
562 /* { dg-begin-multiline-output "" }
|
|
131
|
563 __emit_expression_range (0, "0123456789");
|
|
|
564 ^~~~~~~~~~~~
|
|
111
|
565 { dg-end-multiline-output "" } */
|
|
|
566
|
|
131
|
567 __emit_expression_range (0, "foo" "bar" ); /* { dg-warning "range" } */
|
|
111
|
568 /* { dg-begin-multiline-output "" }
|
|
131
|
569 __emit_expression_range (0, "foo" "bar" );
|
|
|
570 ^~~~~~~~~~~
|
|
111
|
571 { dg-end-multiline-output "" } */
|
|
|
572 }
|
|
|
573
|
|
|
574 void test_numeric_literals (int i)
|
|
|
575 {
|
|
131
|
576 __emit_expression_range (0, 42 ); /* { dg-warning "range" } */
|
|
111
|
577 /* { dg-begin-multiline-output "" }
|
|
131
|
578 __emit_expression_range (0, 42 );
|
|
|
579 ^~
|
|
111
|
580 { dg-end-multiline-output "" } */
|
|
|
581
|
|
|
582 /* Verify locations of negative literals (via folding of
|
|
|
583 unary negation). */
|
|
|
584
|
|
131
|
585 __emit_expression_range (0, -42 ); /* { dg-warning "range" } */
|
|
111
|
586 /* { dg-begin-multiline-output "" }
|
|
131
|
587 __emit_expression_range (0, -42 );
|
|
|
588 ^~~
|
|
111
|
589 { dg-end-multiline-output "" } */
|
|
|
590
|
|
|
591 __emit_expression_range (0, i ? 0 : -1 ); /* { dg-warning "range" } */
|
|
|
592 /* { dg-begin-multiline-output "" }
|
|
|
593 __emit_expression_range (0, i ? 0 : -1 );
|
|
|
594 ~~^~~~~~~~
|
|
|
595 { dg-end-multiline-output "" } */
|
|
|
596 }
|
|
|
597
|
|
|
598 /* Braced initializers. ***************************************/
|
|
|
599
|
|
|
600 /* We can't test the ranges of these directly, since the underlying
|
|
|
601 tree nodes don't retain a location. However, we can test that they
|
|
|
602 have ranges during parsing by building compound expressions using
|
|
|
603 them, and verifying the ranges of the compound expressions. */
|
|
|
604
|
|
|
605 #define vector(elcount, type) \
|
|
|
606 __attribute__((vector_size((elcount)*sizeof(type)))) type
|
|
|
607
|
|
|
608 void test_braced_init (void)
|
|
|
609 {
|
|
|
610 /* Verify start of range. */
|
|
|
611 __emit_expression_range (0, (vector(4, float)){2., 2., 2., 2.} + 1); /* { dg-warning "range" } */
|
|
|
612 /* { dg-begin-multiline-output "" }
|
|
|
613 __emit_expression_range (0, (vector(4, float)){2., 2., 2., 2.} + 1);
|
|
|
614 ~~~~~~~~~~~~~~~~~^~~
|
|
|
615 { dg-end-multiline-output "" } */
|
|
|
616
|
|
|
617 /* Verify end of range. */
|
|
|
618 __emit_expression_range (0, 1 + (vector(4, float)){2., 2., 2., 2.}); /* { dg-warning "range" } */
|
|
|
619 /* { dg-begin-multiline-output "" }
|
|
|
620 __emit_expression_range (0, 1 + (vector(4, float)){2., 2., 2., 2.});
|
|
|
621 ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
622 { dg-end-multiline-output "" } */
|
|
|
623 }
|
|
|
624
|
|
|
625 /* Statement expressions. ***************************************/
|
|
|
626
|
|
|
627 void test_statement_expression (void)
|
|
|
628 {
|
|
|
629 __emit_expression_range (0, ({ static int a; a; }) + 1); /* { dg-warning "range" } */
|
|
|
630 /* { dg-begin-multiline-output "" }
|
|
|
631 __emit_expression_range (0, ({ static int a; a; }) + 1);
|
|
|
632 ~~~~~~~~~~~~~~~~~~~~~~~^~~
|
|
|
633 { dg-end-multiline-output "" } */
|
|
|
634
|
|
|
635 __emit_expression_range (0, 1 + ({ static int a; a; }) ); /* { dg-warning "range" } */
|
|
|
636 /* { dg-begin-multiline-output "" }
|
|
|
637 __emit_expression_range (0, 1 + ({ static int a; a; }) );
|
|
|
638 ~~^~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
639 { dg-end-multiline-output "" } */
|
|
|
640 }
|
|
|
641
|
|
|
642 /* Other expressions. */
|
|
|
643
|
|
|
644 void test_address_of_label (void)
|
|
|
645 {
|
|
|
646 label:
|
|
|
647 __emit_expression_range (0, &&label ); /* { dg-warning "range" } */
|
|
|
648 /* { dg-begin-multiline-output "" }
|
|
|
649 __emit_expression_range (0, &&label );
|
|
|
650 ^~~~~~~
|
|
|
651 { dg-end-multiline-output "" } */
|
|
|
652 }
|
|
|
653
|
|
|
654 void test_transaction_expressions (void)
|
|
|
655 {
|
|
|
656 int i;
|
|
|
657 i = __transaction_atomic (42); /* { dg-error "without transactional memory support enabled" } */
|
|
|
658 /* { dg-begin-multiline-output "" }
|
|
|
659 i = __transaction_atomic (42);
|
|
|
660 ^~~~~~~~~~~~~~~~~~~~
|
|
|
661 { dg-end-multiline-output "" } */
|
|
|
662 i = __transaction_relaxed (42); /* { dg-error "without transactional memory support enabled" } */
|
|
|
663 /* { dg-begin-multiline-output "" }
|
|
|
664 i = __transaction_relaxed (42);
|
|
|
665 ^~~~~~~~~~~~~~~~~~~~~
|
|
|
666 { dg-end-multiline-output "" } */
|
|
|
667 }
|
|
|
668
|
|
|
669 void test_keywords (int i)
|
|
|
670 {
|
|
|
671 __emit_expression_range (0, __FUNCTION__[i] ); /* { dg-warning "range" } */
|
|
|
672 /* { dg-begin-multiline-output "" }
|
|
|
673 __emit_expression_range (0, __FUNCTION__[i] );
|
|
|
674 ~~~~~~~~~~~~~~^
|
|
|
675 { dg-end-multiline-output "" } */
|
|
|
676
|
|
|
677 __emit_expression_range (0, __PRETTY_FUNCTION__[i] ); /* { dg-warning "range" } */
|
|
|
678 /* { dg-begin-multiline-output "" }
|
|
|
679 __emit_expression_range (0, __PRETTY_FUNCTION__[i] );
|
|
|
680 ~~~~~~~~~~~~~~~~~~~~~^
|
|
|
681 { dg-end-multiline-output "" } */
|
|
|
682
|
|
|
683 __emit_expression_range (0, __func__[i] ); /* { dg-warning "range" } */
|
|
|
684 /* { dg-begin-multiline-output "" }
|
|
|
685 __emit_expression_range (0, __func__[i] );
|
|
|
686 ~~~~~~~~~~^
|
|
|
687 { dg-end-multiline-output "" } */
|
|
|
688 }
|
|
|
689
|
|
|
690 void test_builtin_va_arg (__builtin_va_list v)
|
|
|
691 {
|
|
|
692 __emit_expression_range (0, __builtin_va_arg (v, int) ); /* { dg-warning "range" } */
|
|
|
693 /* { dg-begin-multiline-output "" }
|
|
|
694 __emit_expression_range (0, __builtin_va_arg (v, int) );
|
|
|
695 ~~~~~~~~~~~~~~~~~~~~~^~~~
|
|
|
696 { dg-end-multiline-output "" } */
|
|
|
697
|
|
|
698 __emit_expression_range (0, __builtin_va_arg (v, int) + 1 ); /* { dg-warning "range" } */
|
|
|
699 /* { dg-begin-multiline-output "" }
|
|
|
700 __emit_expression_range (0, __builtin_va_arg (v, int) + 1 );
|
|
|
701 ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
|
|
|
702 { dg-end-multiline-output "" } */
|
|
|
703 }
|
|
|
704
|
|
|
705 struct s { int i; float f; };
|
|
|
706
|
|
|
707 void test_builtin_offsetof (int i)
|
|
|
708 {
|
|
131
|
709 __emit_expression_range (0, __builtin_offsetof (struct s, f) ); /* { dg-warning "range" } */
|
|
111
|
710 /* { dg-begin-multiline-output "" }
|
|
131
|
711 __emit_expression_range (0, __builtin_offsetof (struct s, f) );
|
|
|
712 ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
|
|
111
|
713 { dg-end-multiline-output "" } */
|
|
|
714 }
|
|
|
715
|
|
|
716 /* Examples of non-trivial expressions. ****************************/
|
|
|
717
|
|
|
718 extern double sqrt (double x);
|
|
|
719
|
|
|
720 void test_quadratic (double a, double b, double c)
|
|
|
721 {
|
|
|
722 __emit_expression_range (0, b * b - 4 * a * c ); /* { dg-warning "range" } */
|
|
|
723 /* { dg-begin-multiline-output "" }
|
|
|
724 __emit_expression_range (0, b * b - 4 * a * c );
|
|
|
725 ~~~~~~^~~~~~~~~~~
|
|
|
726 { dg-end-multiline-output "" } */
|
|
|
727
|
|
|
728 __emit_expression_range (0,
|
|
|
729 (-b + sqrt (b * b - 4 * a * c))
|
|
|
730 / (2 * a)); /* { dg-warning "range" } */
|
|
|
731 /* { dg-begin-multiline-output "" }
|
|
|
732 (-b + sqrt (b * b - 4 * a * c))
|
|
|
733 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
734 / (2 * a));
|
|
|
735 ^~~~~~~~~
|
|
|
736 { dg-end-multiline-output "" } */
|
|
|
737
|
|
|
738 }
|
|
|
739
|
|
|
740 int bar (int);
|
|
|
741 void test_combinations (int a)
|
|
|
742 {
|
|
|
743 __emit_expression_range (0, bar (a) > a ); /* { dg-warning "range" } */
|
|
|
744 /* { dg-begin-multiline-output "" }
|
|
|
745 __emit_expression_range (0, bar (a) > a );
|
|
|
746 ~~~~~~~~^~~
|
|
|
747 { dg-end-multiline-output "" } */
|
|
|
748 }
|
|
|
749
|
|
|
750 /* C++-specific expresssions. ****************************************/
|
|
|
751
|
|
|
752 void test_cp_literal_keywords (int a, int b)
|
|
|
753 {
|
|
|
754 this; /* { dg-error "invalid use of 'this' in non-member function" } */
|
|
|
755 /* { dg-begin-multiline-output "" }
|
|
|
756 this;
|
|
|
757 ^~~~
|
|
|
758 { dg-end-multiline-output "" } */
|
|
|
759
|
|
|
760 }
|
|
|
761
|
|
|
762 class base {
|
|
|
763 public:
|
|
|
764 base ();
|
|
|
765 base (int i);
|
|
|
766 virtual ~base ();
|
|
|
767 int pub ();
|
|
|
768 private:
|
|
|
769 int priv ();
|
|
|
770 };
|
|
|
771 class derived : public base { ~derived (); };
|
|
|
772
|
|
|
773 void test_cp_casts (base *ptr)
|
|
|
774 {
|
|
|
775 __emit_expression_range (0, dynamic_cast <derived *> (ptr)); /* { dg-warning "range" } */
|
|
|
776 /* { dg-begin-multiline-output "" }
|
|
|
777 __emit_expression_range (0, dynamic_cast <derived *> (ptr));
|
|
|
778 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
779 { dg-end-multiline-output "" } */
|
|
|
780
|
|
|
781 __emit_expression_range (0, static_cast <derived *> (ptr)); /* { dg-warning "range" } */
|
|
|
782 /* { dg-begin-multiline-output "" }
|
|
|
783 __emit_expression_range (0, static_cast <derived *> (ptr));
|
|
|
784 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
785 { dg-end-multiline-output "" } */
|
|
|
786
|
|
|
787 __emit_expression_range (0, reinterpret_cast <int *> (ptr)); /* { dg-warning "range" } */
|
|
|
788 /* { dg-begin-multiline-output "" }
|
|
|
789 __emit_expression_range (0, reinterpret_cast <int *> (ptr));
|
|
|
790 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
791 { dg-end-multiline-output "" } */
|
|
|
792
|
|
|
793 __emit_expression_range (0, const_cast <base *> (ptr)); /* { dg-warning "range" } */
|
|
|
794 /* { dg-begin-multiline-output "" }
|
|
|
795 __emit_expression_range (0, const_cast <base *> (ptr));
|
|
|
796 ^~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
797 { dg-end-multiline-output "" } */
|
|
|
798 }
|
|
|
799
|
|
|
800 void test_functional_casts (int i, float f)
|
|
|
801 {
|
|
|
802 __emit_expression_range (0, float(i)); /* { dg-warning "range" } */
|
|
|
803 /* { dg-begin-multiline-output "" }
|
|
|
804 __emit_expression_range (0, float(i));
|
|
|
805 ^~~~~~~~
|
|
|
806 { dg-end-multiline-output "" } */
|
|
|
807
|
|
|
808 __emit_expression_range (0, int(f)); /* { dg-warning "range" } */
|
|
|
809 /* { dg-begin-multiline-output "" }
|
|
|
810 __emit_expression_range (0, int(f));
|
|
|
811 ^~~~~~
|
|
|
812 { dg-end-multiline-output "" } */
|
|
|
813
|
|
|
814 __emit_expression_range (0, s{i, f}); /* { dg-warning "range" } */
|
|
|
815 /* { dg-begin-multiline-output "" }
|
|
|
816 __emit_expression_range (0, s{i, f});
|
|
|
817 ^~~~~~~
|
|
|
818 { dg-end-multiline-output "" } */
|
|
|
819 }
|
|
|
820
|
|
|
821 template <typename TYPENAME>
|
|
|
822 class example_template
|
|
|
823 {
|
|
|
824 public:
|
|
|
825 example_template (TYPENAME v);
|
|
|
826 };
|
|
|
827
|
|
|
828 void test_template_id (void)
|
|
|
829 {
|
|
|
830 example_template <int>; /* { dg-warning "declaration does not declare anything" } */
|
|
|
831 /* { dg-begin-multiline-output "" }
|
|
|
832 example_template <int>;
|
|
|
833 ^~~~~~~~~~~~~~~~~~~~~~
|
|
|
834 { dg-end-multiline-output "" } */
|
|
|
835 }
|
|
|
836
|
|
|
837 void test_new (void)
|
|
|
838 {
|
|
|
839 __emit_expression_range (0, ::new base); /* { dg-warning "range" } */
|
|
|
840 /* { dg-begin-multiline-output "" }
|
|
|
841 __emit_expression_range (0, ::new base);
|
|
|
842 ^~~~~~~~~~
|
|
|
843 { dg-end-multiline-output "" } */
|
|
|
844
|
|
|
845 __emit_expression_range (0, new base); /* { dg-warning "range" } */
|
|
|
846 /* { dg-begin-multiline-output "" }
|
|
|
847 __emit_expression_range (0, new base);
|
|
|
848 ^~~~~~~~
|
|
|
849 { dg-end-multiline-output "" } */
|
|
|
850
|
|
|
851 __emit_expression_range (0, new (base)); /* { dg-warning "range" } */
|
|
|
852 /* { dg-begin-multiline-output "" }
|
|
|
853 __emit_expression_range (0, new (base));
|
|
|
854 ^~~~~~~~~~
|
|
|
855 { dg-end-multiline-output "" } */
|
|
|
856
|
|
|
857 __emit_expression_range (0, new base (42)); /* { dg-warning "range" } */
|
|
|
858 /* { dg-begin-multiline-output "" }
|
|
|
859 __emit_expression_range (0, new base (42));
|
|
|
860 ^~~~~~~~~~~~~
|
|
|
861 { dg-end-multiline-output "" } */
|
|
|
862
|
|
|
863 __emit_expression_range (0, new (base) (42)); /* { dg-warning "range" } */
|
|
|
864 /* { dg-begin-multiline-output "" }
|
|
|
865 __emit_expression_range (0, new (base) (42));
|
|
|
866 ^~~~~~~~~~~~~~~
|
|
|
867 { dg-end-multiline-output "" } */
|
|
|
868
|
|
|
869 /* TODO: placement new. */
|
|
|
870
|
|
|
871 __emit_expression_range (0, new example_template<int> (42)); /* { dg-warning "range" } */
|
|
|
872 /* { dg-begin-multiline-output "" }
|
|
|
873 __emit_expression_range (0, new example_template<int> (42));
|
|
|
874 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|
|
875 { dg-end-multiline-output "" } */
|
|
|
876 }
|
|
|
877
|
|
|
878 void test_methods ()
|
|
|
879 {
|
|
|
880 __emit_expression_range (0, ((base *)1)->pub () ); /* { dg-warning "range" } */
|
|
|
881 /* { dg-begin-multiline-output "" }
|
|
|
882 __emit_expression_range (0, ((base *)1)->pub () );
|
|
|
883 ~~~~~~~~~~~~~~~~~^~
|
|
|
884 { dg-end-multiline-output "" } */
|
|
|
885
|
|
|
886 ((base *)1)->priv (); // { dg-error " is private " }
|
|
|
887 /* { dg-begin-multiline-output "" }
|
|
|
888 ((base *)1)->priv ();
|
|
|
889 ^
|
|
|
890 { dg-end-multiline-output "" }
|
|
|
891 { dg-begin-multiline-output "" }
|
|
|
892 int priv ();
|
|
|
893 ^~~~
|
|
|
894 { dg-end-multiline-output "" } */
|
|
|
895 }
|
|
|
896
|
|
|
897 class tests
|
|
|
898 {
|
|
|
899 public:
|
|
|
900 void test_method_calls ();
|
|
|
901 int some_method () const;
|
|
|
902 };
|
|
|
903
|
|
|
904 void
|
|
|
905 tests::test_method_calls ()
|
|
|
906 {
|
|
|
907 __emit_expression_range (0, this->some_method () ); /* { dg-warning "range" } */
|
|
|
908 /* { dg-begin-multiline-output "" }
|
|
|
909 __emit_expression_range (0, this->some_method () );
|
|
|
910 ~~~~~~~~~~~~~~~~~~^~
|
|
|
911 { dg-end-multiline-output "" } */
|
|
|
912 }
|
|
|
913
|
|
|
914 namespace std
|
|
|
915 {
|
|
|
916 class type_info { public: int foo; };
|
|
|
917 }
|
|
|
918
|
|
|
919 void test_typeid (int i)
|
|
|
920 {
|
|
131
|
921 __emit_expression_range (0, typeid(i)); /* { dg-warning "range" } */
|
|
111
|
922 /* { dg-begin-multiline-output "" }
|
|
131
|
923 __emit_expression_range (0, typeid(i));
|
|
|
924 ^~~~~~~~~
|
|
111
|
925 { dg-end-multiline-output "" } */
|
|
|
926
|
|
131
|
927 __emit_expression_range (0, typeid(int)); /* { dg-warning "range" } */
|
|
111
|
928 /* { dg-begin-multiline-output "" }
|
|
131
|
929 __emit_expression_range (0, typeid(int));
|
|
|
930 ^~~~~~~~~~~
|
|
111
|
931 { dg-end-multiline-output "" } */
|
|
|
932
|
|
131
|
933 __emit_expression_range (0, typeid(i * 2)); /* { dg-warning "range" } */
|
|
111
|
934 /* { dg-begin-multiline-output "" }
|
|
131
|
935 __emit_expression_range (0, typeid(i * 2));
|
|
|
936 ^~~~~~~~~~~~~
|
|
111
|
937 { dg-end-multiline-output "" } */
|
|
|
938 }
|
|
|
939
|
|
|
940 /* Various tests of locations involving macros. */
|
|
|
941
|
|
|
942 void test_within_macro_1 (int lhs, int rhs)
|
|
|
943 {
|
|
|
944 #define MACRO_1(EXPR) EXPR
|
|
|
945
|
|
|
946 __emit_expression_range (0, MACRO_1 (lhs == rhs));
|
|
|
947
|
|
|
948 /* { dg-warning "range" "" { target *-*-* } .-2 } */
|
|
|
949 /* { dg-begin-multiline-output "" }
|
|
|
950 __emit_expression_range (0, MACRO_1 (lhs == rhs));
|
|
|
951 ~~~~^~~~~~
|
|
|
952 { dg-end-multiline-output "" } */
|
|
|
953 /* { dg-begin-multiline-output "" }
|
|
|
954 #define MACRO_1(EXPR) EXPR
|
|
|
955 ^~~~
|
|
|
956 { dg-end-multiline-output "" } */
|
|
|
957
|
|
|
958 #undef MACRO_1
|
|
|
959 }
|
|
|
960
|
|
|
961 void test_within_macro_2 (int lhs, int rhs)
|
|
|
962 {
|
|
|
963 #define MACRO_2(EXPR) EXPR
|
|
|
964
|
|
|
965 __emit_expression_range (0, MACRO_2 (MACRO_2 (lhs == rhs)));
|
|
|
966
|
|
|
967 /* { dg-warning "range" "" { target *-*-* } .-2 } */
|
|
|
968 /* { dg-begin-multiline-output "" }
|
|
|
969 __emit_expression_range (0, MACRO_2 (MACRO_2 (lhs == rhs)));
|
|
|
970 ~~~~^~~~~~
|
|
|
971 { dg-end-multiline-output "" } */
|
|
|
972 /* { dg-begin-multiline-output "" }
|
|
|
973 __emit_expression_range (0, MACRO_2 (MACRO_2 (lhs == rhs)));
|
|
|
974 ^~~~~~~
|
|
|
975 { dg-end-multiline-output "" } */
|
|
|
976 /* { dg-begin-multiline-output "" }
|
|
|
977 #define MACRO_2(EXPR) EXPR
|
|
|
978 ^~~~
|
|
|
979 { dg-end-multiline-output "" } */
|
|
|
980
|
|
|
981 #undef MACRO_2
|
|
|
982 }
|
|
|
983
|
|
|
984 void test_within_macro_3 (int lhs, int rhs)
|
|
|
985 {
|
|
|
986 #define MACRO_3(EXPR) EXPR
|
|
|
987
|
|
|
988 __emit_expression_range (0, MACRO_3 (lhs) == MACRO_3 (rhs));
|
|
|
989
|
|
|
990 /* { dg-warning "range" "" { target *-*-* } .-2 } */
|
|
|
991 /* { dg-begin-multiline-output "" }
|
|
|
992 __emit_expression_range (0, MACRO_3 (lhs) == MACRO_3 (rhs));
|
|
|
993 ^
|
|
|
994 { dg-end-multiline-output "" } */
|
|
|
995
|
|
|
996 #undef MACRO_3
|
|
|
997 }
|
|
|
998
|
|
|
999 void test_within_macro_4 (int lhs, int rhs)
|
|
|
1000 {
|
|
|
1001 #define MACRO_4(EXPR) EXPR
|
|
|
1002
|
|
|
1003 __emit_expression_range (0, MACRO_4 (MACRO_4 (lhs) == MACRO_4 (rhs)));
|
|
|
1004
|
|
|
1005 /* { dg-warning "range" "" { target *-*-* } .-2 } */
|
|
|
1006 /* { dg-begin-multiline-output "" }
|
|
|
1007 __emit_expression_range (0, MACRO_4 (MACRO_4 (lhs) == MACRO_4 (rhs)));
|
|
|
1008 ^
|
|
|
1009 { dg-end-multiline-output "" } */
|
|
|
1010 /* { dg-begin-multiline-output "" }
|
|
|
1011 #define MACRO_4(EXPR) EXPR
|
|
|
1012 ^~~~
|
|
|
1013 { dg-end-multiline-output "" } */
|
|
|
1014
|
|
|
1015 #undef MACRO_4
|
|
|
1016 }
|
