/* { dg-options "" } *//* In GNU C++ mode, we recognize the anonymous struct extension,   but not 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; };  char e;};char testE[sizeof(E) == 2 * sizeof(A) ? 1 : -1];char testEz[sizeof( ((E *)0)->z )];typedef struct A typedef_A;struct F {  typedef_A;			/* { dg-error "does not declare anything" } */  char f;};char testF[sizeof(F) == sizeof(A) ? 1 : -1];/* Test that __extension__ does the right thing coming _from_ GNU C mode.  */__extension__ struct G {  struct { char z; };  char g;};char testG[sizeof(G) == 2 * sizeof(A) ? 1 : -1];struct H {  struct { char z; };  char h;};char testH[sizeof(H) == 2 * sizeof(A) ? 1 : -1];