/* { dg-options "-std=gnu89" } *//* In GNU C mode, we recognize the anonymous struct/union extension,   but not Microsoft extensions.  */struct A { char a; };/* MS extension.  */struct B {  struct A;			/* { dg-warning "does not declare anything" } */  char b;};char testB[sizeof(struct B) == sizeof(struct A) ? 1 : -1];/* MS extension.  */struct C {  struct D { char d; };		/* { dg-warning "does not declare anything" } */  char c;};char testC[sizeof(struct C) == sizeof(struct A) ? 1 : -1];char testD[sizeof(struct D) == sizeof(struct A) ? 1 : -1];/* GNU extension.  */struct E {  struct { char z; };  char e;};char testE[sizeof(struct E) == 2 * sizeof(struct A) ? 1 : -1];/* MS extension.  */typedef struct A typedef_A;struct F {  typedef_A;			/* { dg-warning "does not declare anything" } */  char f;};char testF[sizeof(struct F) == sizeof(struct 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(struct G) == 2 * sizeof(struct A) ? 1 : -1];struct H {  struct { char z; };  char h;};char testH[sizeof(struct H) == 2 * sizeof(struct A) ? 1 : -1];