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111
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1 /* PR 30260 */
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2 /* { dg-do link } */
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3 /* { dg-options "-pedantic -O" } */
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4 #include <limits.h>
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5
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6 void link_error (void);
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7
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8 enum A {
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9 A1 = 0,
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10 A2 = A1 - 1
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11 };
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12 enum B {
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13 B1 = 0u,
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14 B2 = B1 - 1 /* { dg-bogus "ISO C restricts enumerator values to range of 'int'" } */
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15 };
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16 int main(void)
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17 {
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18 enum A a = -1;
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19 enum B b = -1;
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20
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21 if (!(a < 0))
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22 link_error ();
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23 if (!(A2 < 0))
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24 link_error ();
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25 if (!(b < 0))
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26 link_error ();
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27 if (!(B2 < 0))
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28 link_error ();
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29
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30 return 0;
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31 }
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32
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33 enum E1 { e10 = INT_MAX, e11 }; /* { dg-error "overflow in enumeration values" } */
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34 enum E2 { e20 = (unsigned) INT_MAX, e21 }; /* { dg-error "overflow in enumeration values" } */
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