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1 ; lang.opt -- Options for the D front end.
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2 ; Copyright (C) 2006-2020 Free Software Foundation, Inc.
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3 ;
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4 ; GCC is free software; you can redistribute it and/or modify it under
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5 ; the terms of the GNU General Public License as published by the Free
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6 ; Software Foundation; either version 3, or (at your option) any later
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7 ; version.
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8 ;
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9 ; GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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10 ; WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 ; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 ; for more details.
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13 ;
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14 ; You should have received a copy of the GNU General Public License
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15 ; along with GCC; see the file COPYING3. If not see
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16 ; <http://www.gnu.org/licenses/>.
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17
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18 ; See the GCC internals manual for a description of this file's format.
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19
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20 ; Please try to keep this file in ASCII collating order.
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21
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22 Language
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23 D
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24
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25 -dependencies
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26 D Alias(M)
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27 ; Documented in C
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28
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29 -print-missing-file-dependencies
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30 D Alias(MG)
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31 ; Documented in C
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32
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33 -user-dependencies
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34 D Alias(MM)
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35 ; Documented in C
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36
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37 -write-dependencies
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38 D NoDriverArg Separate Alias(MD)
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39 ; Documented in C
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40
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41 -write-user-dependencies
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42 D NoDriverArg Separate Alias(MMD)
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43 ; Documented in C
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44
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45 H
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46 D
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47 ; Different from documented use in C.
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48
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49 Hd
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50 D Joined Separate
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51 -Hd <dir> Write D interface files to directory <dir>.
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52
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53 Hf
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54 D Joined Separate
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55 -Hf <file> Write D interface to <file>.
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56
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57 I
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58 D Joined Separate
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59 ; Documented in C
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60
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61 J
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62 D Joined Separate
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63 ; Different from documented use in Fortran.
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64
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65 M
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66 D
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67 ; Documented in C
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68
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69 MD
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70 D Separate NoDriverArg
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71 ; Documented in C
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72
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73 MF
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74 D Joined Separate
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75 ; Documented in C
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76
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77 MG
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78 D
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79 ; Documented in C
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80
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81 MM
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82 D
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83 ; Documented in C
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84
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85 MMD
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86 D Separate NoDriverArg
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87 ; Documented in C
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88
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89 MP
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90 D
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91 ; Documented in C
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92
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93 MT
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94 D Joined Separate
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95 ; Documented in C
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96
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97 MQ
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98 D Joined Separate
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99 ; Documented in C
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100
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101 Waddress
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102 D Warning Var(warn_address)
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103 ; Documented in C
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104
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105 Wall
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106 D
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107 ; Documented in C
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108
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109 Walloca
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110 D
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111 ; Documented in C
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112
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113 Walloca-larger-than=
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114 D
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115 ; Documented in C
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116
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117 Wno-alloca-larger-than
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118 D
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119 ; Documented in C
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120
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121 Wcast-result
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122 D Warning Var(warn_cast_result)
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123 Warn about casts that will produce a null result.
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124
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125 Wdeprecated
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126 D
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127 ; Documented in common.opt
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128
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129 Werror
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130 D
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131 ; Documented in common.opt
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132
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133 Wpsabi
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134 D
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135 ; Documented in C
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136
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137 Wspeculative
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138 D
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139 Warn from speculative compiles such as __traits(compiles).
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140
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141 Wtemplates
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142 D
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143 ; Documented in C
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144
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145 Wunknown-pragmas
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146 D LangEnabledBy(D, Wall)
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147 ; Documented in C
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148
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149 X
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150 D
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151 Generate JSON file.
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152
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153 Xf
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154 D Joined Separate
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155 -Xf <file> Write JSON output to the given <file>.
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156
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157 debuglib=
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158 Driver Joined
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159 Debug library to use instead of phobos.
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160
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161 defaultlib=
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162 Driver Joined
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163 Default library to use instead of phobos.
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164
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165 dstartfiles
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166 Driver
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167 Do link the standard D startup files in the compilation.
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168
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169 -verbose
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170 D Alias(v)
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171
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172 fall-instantiations
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173 D
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174 Generate code for all template instantiations.
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175
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176 fassert
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177 D Var(flag_assert)
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178 Generate code for assert contracts.
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179
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180 fbounds-check
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181 D
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182 ; Documented in common.opt
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183
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184 fbounds-check=
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185 D Joined RejectNegative Enum(bounds_check) Var(flag_bounds_check)
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186 -fbounds-check=[on|safeonly|off] Turn array bounds checks on, in @safe code only, or off.
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187
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188 Enum
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189 Name(bounds_check) Type(int) UnknownError(unknown array bounds setting %qs)
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190
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191 EnumValue
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192 Enum(bounds_check) String(off) Value(0)
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193
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194 EnumValue
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195 Enum(bounds_check) String(safeonly) Value(1)
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196
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197 EnumValue
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198 Enum(bounds_check) String(on) Value(2)
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199
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200 ; Generates a secondary ModuleInfo symbol for linking in unittests
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201 fbuilding-libphobos-tests
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202 D Undocumented Var(flag_building_libphobos_tests)
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203
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204 fbuiltin
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205 D Var(flag_no_builtin, 0)
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206 ; Documented in C
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207
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208 fdebug
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209 D
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210 Compile in debug code.
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211
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212 fdebug=
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213 D Joined RejectNegative
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214 -fdebug=<level|ident> Compile in debug code, code <= <level>, or code identified by <ident>.
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215
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216 fdoc
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217 D
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218 Generate documentation.
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219
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220 fdoc-dir=
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221 D Joined RejectNegative
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222 -fdoc-dir=<dir> Write documentation file to directory <dir>.
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223
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224 fdoc-file=
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225 D Joined RejectNegative
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226 -fdoc-file=<file> Write documentation to <file>.
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227
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228 fdoc-inc=
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229 D Joined RejectNegative
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230 -fdoc-inc=<file> Include a Ddoc macro <file>.
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231
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232 fdruntime
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233 D
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234 Assume that standard D runtime libraries and \"D main\" exist.
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235
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236 fdump-d-original
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237 D
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238 Display the frontend AST after parsing and semantic passes.
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239
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240 fignore-unknown-pragmas
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241 D
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242 Ignore unsupported pragmas.
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243
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244 finvariants
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245 D Var(flag_invariants)
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246 Generate code for class invariant contracts.
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247
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248 fmain
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249 D RejectNegative
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250 Generate a default D main() function when compiling.
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251
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252 fmodule-file=
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253 D Joined RejectNegative
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254 -fmodule-file=<package.module>=<filespec> use <filespec> as source file for <package.module>.
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255
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256 fmoduleinfo
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257 D Var(flag_moduleinfo)
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258 Generate ModuleInfo struct for output module.
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259
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260 fonly=
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261 D Joined RejectNegative
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262 Process all modules specified on the command line, but only generate code for the module specified by the argument.
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263
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264 fpostconditions
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265 D Var(flag_postconditions)
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266 Generate code for postcondition contracts.
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267
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268 fpreconditions
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269 D Var(flag_preconditions)
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270 Generate code for precondition contracts.
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271
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272 frelease
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273 D
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274 Compile release version.
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275
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276 frtti
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277 D
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278 ; Documented in C
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279
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280 fswitch-errors
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281 D Var(flag_switch_errors)
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282 Generate code for switches without a default case.
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283
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284 ftransition=all
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285 D RejectNegative
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286 List information on all language changes.
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287
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288 ftransition=checkimports
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289 D RejectNegative
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290 Give deprecation messages about -ftransition=import anomalies.
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291
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292 ftransition=complex
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293 D RejectNegative
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294 List all usages of complex or imaginary types.
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295
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296 ftransition=dip1000
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297 D RejectNegative
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298 Implement DIP1000: Scoped pointers (experimental).
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299
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300 ftransition=dip25
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301 D RejectNegative
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302 Implement DIP25: Sealed references (experimental).
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303
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304 ftransition=field
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305 D RejectNegative
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306 List all non-mutable fields which occupy an object instance.
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307
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308 ftransition=import
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309 D RejectNegative
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310 Revert to single phase name lookup.
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311
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312 ftransition=nogc
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313 D RejectNegative
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314 List all hidden GC allocations.
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315
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316 ftransition=tls
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317 D RejectNegative
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318 List all variables going into thread local storage.
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319
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320 funittest
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321 D
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322 Compile in unittest code.
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323
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324 fversion=
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325 D Joined RejectNegative
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326 -fversion=<level|ident> Compile in version code >= <level> or identified by <ident>.
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327
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328 fweak
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329 D Var(flag_weak) Init(1)
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330 Emit common-like symbols as weak symbols.
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331
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332 imultilib
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333 D Joined Separate
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334 ; Documented in C
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335
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336 iprefix
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337 D Joined Separate
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338 ; Documented in C
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339
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340 isysroot
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341 D Joined Separate
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342 ; Documented in C
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343
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344 isystem
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345 D Joined Separate
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346 ; Documented in C
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347
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348 nophoboslib
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349 Driver
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350 Do not link the standard D library in the compilation.
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351
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352 nostdinc
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353 D
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354 ; Documented in C
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355
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356 static-libphobos
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357 Driver
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358 Link the standard D library statically in the compilation.
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359
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360 shared-libphobos
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361 Driver
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362 Link the standard D library dynamically in the compilation.
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363
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364 v
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365 D
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366 ; Documented in C
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