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111
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1 /* Test for redefining macros with significant differences. */
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2
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3 /* { dg-do preprocess }
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4 { dg-options "-ansi -Wall" } */
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5
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6 #define mac(a, b) (a) + (b)
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7 #define mac(a, b) (a) * (b)
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8 #define mac(a, b) (a) * (x)
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9 #define mac(a, g) (a) * (x)
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10
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11 #define ro(x) foo x bar
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12 #define ro(x, b) foo x bar
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13
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14 #define va(a...) a
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15 #define va(...) __VA_ARGS__
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16
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17 #define foo(x) x
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18 #define foo(x)x /* { dg-bogus "redefined" "redefined foo" } */
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19
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20 /* { dg-warning "redefined" "redef mac" { target *-*-* } 7 }
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21 { dg-warning "redefined" "redef mac" { target *-*-* } 8 }
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22 { dg-warning "redefined" "redef mac" { target *-*-* } 9 }
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23 { dg-warning "redefined" "redef ro" { target *-*-* } 12 }
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24 { dg-warning "redefined" "redef va" { target *-*-* } 15 }
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25
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26 { dg-message "previous" "prev def mac" { target *-*-* } 6 }
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27 { dg-message "previous" "prev def mac" { target *-*-* } 7 }
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28 { dg-message "previous" "prev def mac" { target *-*-* } 8 }
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29 { dg-message "previous" "prev def ro" { target *-*-* } 11 }
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30 { dg-message "previous" "prev def va" { target *-*-* } 14 }
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31 */
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