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111
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1 /* Test for flexible array members. Test for where structures with
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2 such members may not occur. */
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3 /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
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4 /* { dg-do compile } */
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5 /* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
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6
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7 struct flex { int a; int b[]; };
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8 union rf1 { struct flex a; int b; };
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9 union rf2 { int a; struct flex b; };
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10 union rf3 { int a; union rf1 b; };
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11 union rf4 { union rf2 a; int b; };
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12
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13 /* The above structure and unions may not be members of structures or
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14 elements of arrays (6.7.2.1#2). */
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15
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16 struct t0 { struct flex a; }; /* { dg-bogus "warning" "warning in place of error" } */
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17 /* { dg-error "invalid use of structure" "struct in struct" { target *-*-* } .-1 } */
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18 struct t1 { union rf1 a; }; /* { dg-bogus "warning" "warning in place of error" } */
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19 /* { dg-error "invalid use of structure" "union in struct" { target *-*-* } .-1 } */
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20 struct t2 { union rf2 a; }; /* { dg-bogus "warning" "warning in place of error" } */
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21 /* { dg-error "invalid use of structure" "union in struct" { target *-*-* } .-1 } */
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22 struct t3 { union rf3 a; }; /* { dg-bogus "warning" "warning in place of error" } */
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23 /* { dg-error "invalid use of structure" "recursive union in struct" { target *-*-* } .-1 } */
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24 struct t4 { union rf4 a; }; /* { dg-bogus "warning" "warning in place of error" } */
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25 /* { dg-error "invalid use of structure" "recursive union in struct" { target *-*-* } .-1 } */
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26
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27 void f0 (struct flex[]); /* { dg-bogus "warning" "warning in place of error" } */
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28 /* { dg-error "invalid use of structure" "struct in array" { target *-*-* } .-1 } */
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29 void f1 (union rf1[]); /* { dg-bogus "warning" "warning in place of error" } */
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30 /* { dg-error "invalid use of structure" "union in array" { target *-*-* } .-1 } */
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31 void f2 (union rf2[]); /* { dg-bogus "warning" "warning in place of error" } */
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32 /* { dg-error "invalid use of structure" "union in array" { target *-*-* } .-1 } */
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33 void f3 (union rf3[]); /* { dg-bogus "warning" "warning in place of error" } */
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34 /* { dg-error "invalid use of structure" "recursive union in array" { target *-*-* } .-1 } */
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35 void f4 (union rf4[]); /* { dg-bogus "warning" "warning in place of error" } */
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36 /* { dg-error "invalid use of structure" "recursive union in array" { target *-*-* } .-1 } */
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37
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38 struct flex a0[1]; /* { dg-bogus "warning" "warning in place of error" } */
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39 /* { dg-error "invalid use of structure" "struct in array" { target *-*-* } .-1 } */
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40 union rf1 a1[1]; /* { dg-bogus "warning" "warning in place of error" } */
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41 /* { dg-error "invalid use of structure" "union in array" { target *-*-* } .-1 } */
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42 union rf2 a2[1]; /* { dg-bogus "warning" "warning in place of error" } */
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43 /* { dg-error "invalid use of structure" "union in array" { target *-*-* } .-1 } */
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44 union rf3 a3[1]; /* { dg-bogus "warning" "warning in place of error" } */
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45 /* { dg-error "invalid use of structure" "recursive union in array" { target *-*-* } .-1 } */
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46 union rf4 a4[1]; /* { dg-bogus "warning" "warning in place of error" } */
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47 /* { dg-error "invalid use of structure" "recursive union in array" { target *-*-* } .-1 } */
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