/* { 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];