blob: 0a682db1ae231cf11dced5e0b0a3e64fd3d581c8 [file] [log] [blame]
/* { dg-options "-ansi -pedantic -pedantic-errors" } */
/* In strict ISO C++ mode, we don't recognize the anonymous struct
extension or any Microsoft C extensions. */
struct A { char a; };
struct B {
struct A; /* forward decl of B::A. */
char b;
};
char testB[sizeof(B) == sizeof(A) ? 1 : -1];
struct C {
struct D { char d; }; /* decl of C::D. */
char c;
};
char testC[sizeof(C) == sizeof(A) ? 1 : -1];
char testD[sizeof(C::D) == sizeof(A) ? 1 : -1];
/* GNU extension. */
struct E {
struct { char z; }; /* { dg-error "prohibits anonymous structs" } */
char e;
};
typedef struct A typedef_A;
struct F {
typedef_A; /* { dg-error "does not declare anything" } */
char f;
};
char testF[sizeof(struct F) == sizeof(struct A) ? 1 : -1];
/* __extension__ enables GNU C mode for the duration of the declaration. */
__extension__ struct G {
struct { char z; };
char g;
};
char testG[sizeof(G) == 2 * sizeof(A) ? 1 : -1];
struct H {
__extension__ struct { char z; };
char h;
};
char testH[sizeof(H) == 2 * sizeof(A) ? 1 : -1];
/* Make sure __extension__ gets turned back off. */
struct I {
struct { char z; }; /* { dg-error "prohibits anonymous structs" } */
char i;
};