1 /* Test for flexible array members.  Test for where structures with
2    such members may not occur.  */
3 /* { dg-do compile } */
4 /* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
5 
6 typedef int T[];
7 struct flex { int a; T b; };
8 union rf1 { struct flex a; int b; };
9 union rf2 { int a; struct flex b; };
10 union rf3 { int a; union rf1 b; };
11 union rf4 { union rf2 a; int b; };
12 
13 /* The above structure and unions may not be members of structures or
14    elements of arrays (6.7.2.1#2).  */
15 
16 struct t0 { struct flex a; }; /* { dg-error "invalid use of structure" } */
17 struct t1 { union rf1 a; }; /* { dg-error "invalid use of structure" } */
18 struct t2 { union rf2 a; }; /* { dg-error "invalid use of structure" } */
19 struct t3 { union rf3 a; }; /* { dg-error "invalid use of structure" } */
20 struct t4 { union rf4 a; }; /* { dg-error "invalid use of structure" } */
21 
22 void f0 (struct flex[]); /* { dg-error "invalid use of structure" } */
23 void f1 (union rf1[]); /* { dg-error "invalid use of structure" } */
24 void f2 (union rf2[]); /* { dg-error "invalid use of structure" } */
25 void f3 (union rf3[]); /* { dg-error "invalid use of structure" } */
26 void f4 (union rf4[]); /* { dg-error "invalid use of structure" } */
27 
28 struct flex a0[1]; /* { dg-error "invalid use of structure" } */
29 union rf1 a1[1]; /* { dg-error "invalid use of structure" } */
30 union rf2 a2[1]; /* { dg-error "invalid use of structure" } */
31 union rf3 a3[1]; /* { dg-error "invalid use of structure" } */
32 union rf4 a4[1]; /* { dg-error "invalid use of structure" } */
33