/* { dg-options "-fms-extensions" } *//* Verify that enabling Microsoft mode doesn't twist C++ as much as   their corresponding C extensions.  Checked vs   Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 12.00.8168 for 80x86 */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];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];