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1 // RUN: %clang_cc1 -triple i686-unknown-windows-msvc %s -fsyntax-only -verify -fms-extensions -Wunknown-pragmas
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2 // RUN: not %clang_cc1 -triple i686-unknown-windows-msvc %s -fms-extensions -E | FileCheck %s
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3 // UNSUPPORTED: ps4
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4
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5 // rdar://6495941
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6
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7 #define FOO 1
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8 #define BAR "2"
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9
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10 #pragma comment(linker,"foo=" FOO) // expected-error {{pragma comment requires parenthesized identifier and optional string}}
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11 // CHECK: #pragma comment(linker,"foo=" 1)
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12 #pragma comment(linker," bar=" BAR)
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13 // CHECK: #pragma comment(linker," bar=" "2")
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14
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15 #pragma comment( user, "Compiled on " __DATE__ " at " __TIME__ )
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16 // CHECK: {{#pragma comment\( user, \"Compiled on \".*\" at \".*\" \)}}
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17
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18 #pragma comment(foo) // expected-error {{unknown kind of pragma comment}}
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19 // CHECK: #pragma comment(foo)
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20 #pragma comment(compiler,) // expected-error {{expected string literal in pragma comment}}
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21 // CHECK: #pragma comment(compiler,)
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22 #define foo compiler
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23 #pragma comment(foo) // macro expand kind.
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24 // CHECK: #pragma comment(compiler)
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25 #pragma comment(foo) x // expected-error {{pragma comment requires}}
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26 // CHECK: #pragma comment(compiler) x
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27
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28 #pragma comment(user, "foo\abar\nbaz\tsome thing")
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29 // CHECK: #pragma comment(user, "foo\abar\nbaz\tsome thing")
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30
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31 #pragma detect_mismatch("test", "1")
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32 // CHECK: #pragma detect_mismatch("test", "1")
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33 #pragma detect_mismatch() // expected-error {{expected string literal in pragma detect_mismatch}}
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34 // CHECK: #pragma detect_mismatch()
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35 #pragma detect_mismatch("test") // expected-error {{pragma detect_mismatch is malformed; it requires two comma-separated string literals}}
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36 // CHECK: #pragma detect_mismatch("test")
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37 #pragma detect_mismatch("test", 1) // expected-error {{expected string literal in pragma detect_mismatch}}
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38 // CHECK: #pragma detect_mismatch("test", 1)
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39 #pragma detect_mismatch("test", BAR)
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40 // CHECK: #pragma detect_mismatch("test", "2")
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41
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42 // __pragma
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43
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44 __pragma(comment(linker," bar=" BAR))
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45 // CHECK: #pragma comment(linker," bar=" "2")
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46
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47 #define MACRO_WITH__PRAGMA { \
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48 __pragma(warning(push)); \
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49 __pragma(warning(disable: 10000)); \
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50 1 + (2 > 3) ? 4 : 5; \
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51 __pragma(warning(pop)); \
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52 }
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53
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54 #define PRAGMA_IN_ARGS(p) p
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55
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56 void f()
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57 {
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58 __pragma() // expected-warning{{unknown pragma ignored}}
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59 // CHECK: #pragma
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60
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61 // If we ever actually *support* __pragma(warning(disable: x)),
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62 // this warning should go away.
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63 MACRO_WITH__PRAGMA // expected-warning {{lower precedence}} \
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64 // expected-note 2 {{place parentheses}}
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65 // CHECK: #pragma warning(push)
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66 // CHECK: #pragma warning(disable: 10000)
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67 // CHECK: ; 1 + (2 > 3) ? 4 : 5;
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68 // CHECK: #pragma warning(pop)
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69
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70 // Check that macro arguments can contain __pragma.
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71 PRAGMA_IN_ARGS(MACRO_WITH__PRAGMA) // expected-warning {{lower precedence}} \
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72 // expected-note 2 {{place parentheses}} \
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73 // expected-warning {{expression result unused}}
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74 // CHECK: #pragma warning(push)
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75 // CHECK: #pragma warning(disable: 10000)
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76 // CHECK: ; 1 + (2 > 3) ? 4 : 5;
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77 // CHECK: #pragma warning(pop)
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78 }
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79
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80 // This should include macro_arg_directive even though the include
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81 // is looking for test.h This allows us to assign to "n"
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82 #pragma include_alias("test.h", "macro_arg_directive.h" )
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83 #include "test.h"
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84 void test( void ) {
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85 n = 12;
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86 }
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87
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88 #pragma include_alias(<bar.h>, "bar.h") // expected-warning {{angle-bracketed include <bar.h> cannot be aliased to double-quoted include "bar.h"}}
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89 #pragma include_alias("foo.h", <bar.h>) // expected-warning {{double-quoted include "foo.h" cannot be aliased to angle-bracketed include <bar.h>}}
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90 #pragma include_alias("test.h") // expected-warning {{pragma include_alias expected ','}}
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91
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92 // Make sure that the names match exactly for a replacement, including path information. If
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93 // this were to fail, we would get a file not found error
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94 #pragma include_alias(".\pp-record.h", "does_not_exist.h")
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95 #include "pp-record.h"
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96
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97 #pragma include_alias(12) // expected-warning {{pragma include_alias expected include filename}}
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98
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99 // It's expected that we can map "bar" and <bar> separately
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100 #define test
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101 // We can't actually look up stdio.h because we're using cc1 without header paths, but this will ensure
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102 // that we get the right bar.h, because the "bar.h" will undef test for us, where <bar.h> won't
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103 #pragma include_alias(<bar.h>, <stdio.h>)
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104 #pragma include_alias("bar.h", "pr2086.h") // This should #undef test
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105
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106 #include "bar.h"
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107 #if defined(test)
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108 // This should not warn because test should not be defined
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109 #pragma include_alias("test.h")
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110 #endif
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111
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112 // Test to make sure there are no use-after-free problems
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113 #define B "pp-record.h"
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114 #pragma include_alias("quux.h", B)
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115 void g() {}
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116 #include "quux.h"
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117
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118 // Make sure that empty includes don't work
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119 #pragma include_alias("", "foo.h") // expected-error {{empty filename}}
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120 #pragma include_alias(<foo.h>, <>) // expected-error {{empty filename}}
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121
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122 // Test that we ignore pragma warning.
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123 #pragma warning(push)
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124 // CHECK: #pragma warning(push)
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125 #pragma warning(push, 1)
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126 // CHECK: #pragma warning(push, 1)
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127 #pragma warning(disable : 4705)
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128 // CHECK: #pragma warning(disable: 4705)
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129 #pragma warning(disable : 123 456 789 ; error : 321)
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130 // CHECK: #pragma warning(disable: 123 456 789)
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131 // CHECK: #pragma warning(error: 321)
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132 #pragma warning(once : 321)
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133 // CHECK: #pragma warning(once: 321)
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134 #pragma warning(suppress : 321)
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135 // CHECK: #pragma warning(suppress: 321)
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136 #pragma warning(default : 321)
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137 // CHECK: #pragma warning(default: 321)
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138 #pragma warning(pop)
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139 // CHECK: #pragma warning(pop)
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140 #pragma warning(1: 123)
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141 // CHECK: #pragma warning(1: 123)
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142 #pragma warning(2: 234 567)
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143 // CHECK: #pragma warning(2: 234 567)
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144 #pragma warning(3: 123; 4: 678)
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145 // CHECK: #pragma warning(3: 123)
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146 // CHECK: #pragma warning(4: 678)
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147 #pragma warning(5: 123) // expected-warning {{expected 'push', 'pop', 'default', 'disable', 'error', 'once', 'suppress', 1, 2, 3, or 4}}
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148
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149 #pragma warning(push, 0)
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150 // CHECK: #pragma warning(push, 0)
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151 // FIXME: We could probably support pushing warning level 0.
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152 #pragma warning(pop)
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153 // CHECK: #pragma warning(pop)
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154
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155 #pragma warning // expected-warning {{expected '('}}
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156 #pragma warning( // expected-warning {{expected 'push', 'pop', 'default', 'disable', 'error', 'once', 'suppress', 1, 2, 3, or 4}}
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157 #pragma warning() // expected-warning {{expected 'push', 'pop', 'default', 'disable', 'error', 'once', 'suppress', 1, 2, 3, or 4}}
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158 #pragma warning(push 4) // expected-warning {{expected ')'}}
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159 // CHECK: #pragma warning(push)
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160 #pragma warning(push // expected-warning {{expected ')'}}
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161 // CHECK: #pragma warning(push)
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162 #pragma warning(push, 5) // expected-warning {{requires a level between 0 and 4}}
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163 #pragma warning(pop, 1) // expected-warning {{expected ')'}}
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164 // CHECK: #pragma warning(pop)
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165 #pragma warning(push, 1) asdf // expected-warning {{extra tokens at end of #pragma warning directive}}
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166 // CHECK: #pragma warning(push, 1)
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167 #pragma warning(disable 4705) // expected-warning {{expected ':'}}
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168 #pragma warning(disable : 0) // expected-warning {{expected a warning number}}
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169 #pragma warning(default 321) // expected-warning {{expected ':'}}
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170 #pragma warning(asdf : 321) // expected-warning {{expected 'push', 'pop'}}
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171 #pragma warning(push, -1) // expected-warning {{requires a level between 0 and 4}}
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172
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173 // Test that runtime_checks is parsed but ignored.
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174 #pragma runtime_checks("sc", restore) // no-warning
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175
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176 // Test pragma intrinsic
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177 #pragma intrinsic(memset) // no-warning
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178 #pragma intrinsic(memcpy, strlen, strlen) // no-warning
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179 #pragma intrinsic() // no-warning
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180 #pragma intrinsic(asdf) // expected-warning {{'asdf' is not a recognized builtin; consider including <intrin.h>}}
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181 #pragma intrinsic(main) // expected-warning {{'main' is not a recognized builtin; consider including <intrin.h>}}
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182 #pragma intrinsic( // expected-warning {{missing ')' after}}
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183 #pragma intrinsic(int) // expected-warning {{missing ')' after}}
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184 #pragma intrinsic(strcmp) asdf // expected-warning {{extra tokens at end}}
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185
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186 #define __INTRIN_H // there should be no notes after defining __INTRIN_H
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187 #pragma intrinsic(asdf) // expected-warning-re {{'asdf' is not a recognized builtin{{$}}}}
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188 #pragma intrinsic(memset) // no-warning
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189 #undef __INTRIN_H
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190 #pragma intrinsic(asdf) // expected-warning {{'asdf' is not a recognized builtin; consider including <intrin.h>}}
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191
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192 #pragma clang diagnostic push
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193 #pragma clang diagnostic ignored "-Wignored-pragma-intrinsic"
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194 #pragma intrinsic(asdf) // no-warning
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195 #pragma clang diagnostic pop
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196 #pragma intrinsic(asdf) // expected-warning {{'asdf' is not a recognized builtin; consider including <intrin.h>}}
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197
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198 #pragma clang diagnostic push
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199 #pragma clang diagnostic ignored "-Wignored-pragmas"
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200 #pragma intrinsic(asdf) // no-warning
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201 #pragma clang diagnostic pop
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202 #pragma intrinsic(asdf) // expected-warning {{'asdf' is not a recognized builtin; consider including <intrin.h>}}
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203
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204 #pragma optimize // expected-warning{{missing '(' after '#pragma optimize'}}
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205 #pragma optimize( // expected-warning{{expected string literal in '#pragma optimize'}}
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206 #pragma optimize(a // expected-warning{{expected string literal in '#pragma optimize'}}
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207 #pragma optimize("g" // expected-warning{{expected ',' in '#pragma optimize'}}
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208 #pragma optimize("g", // expected-warning{{missing argument to '#pragma optimize'; expected 'on' or 'off'}}
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209 #pragma optimize("g",xyz // expected-warning{{unexpected argument 'xyz' to '#pragma optimize'; expected 'on' or 'off'}}
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210 #pragma optimize("g",on) // expected-warning{{#pragma optimize' is not supported}}
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211
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212 #pragma execution_character_set // expected-warning {{expected '('}}
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213 #pragma execution_character_set( // expected-warning {{expected 'push' or 'pop'}}
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214 #pragma execution_character_set() // expected-warning {{expected 'push' or 'pop'}}
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215 #pragma execution_character_set(asdf // expected-warning {{expected 'push' or 'pop'}}
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216 #pragma execution_character_set(asdf) // expected-warning {{expected 'push' or 'pop'}}
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217 #pragma execution_character_set(push // expected-warning {{expected ')'}}
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218 #pragma execution_character_set(pop,) // expected-warning {{expected ')'}}
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219 #pragma execution_character_set(pop,"asdf") // expected-warning {{expected ')'}}
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220 #pragma execution_character_set(push, // expected-error {{expected string literal}}
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221 #pragma execution_character_set(push,) // expected-error {{expected string literal}}
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222 #pragma execution_character_set(push,asdf) // expected-error {{expected string literal}}
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223 #pragma execution_character_set(push, "asdf") // expected-warning {{only 'UTF-8' is supported}}
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224
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225 #pragma execution_character_set(push)
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226 #pragma execution_character_set(push, "utf-8")
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227 #pragma execution_character_set(push, "UTF-8")
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228 #pragma execution_character_set(pop)
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