1 /* { dg-options "-std=gnu89" } */
2 /* In GNU C mode, we recognize the anonymous struct/union extension,
3 but not Microsoft extensions. */
9 struct A; /* { dg-warning "does not declare anything" } */
12 char testB[sizeof(struct B) == sizeof(struct A) ? 1 : -1];
16 struct D { char d; }; /* { dg-warning "does not declare anything" } */
19 char testC[sizeof(struct C) == sizeof(struct A) ? 1 : -1];
20 char testD[sizeof(struct D) == sizeof(struct A) ? 1 : -1];
27 char testE[sizeof(struct E) == 2 * sizeof(struct A) ? 1 : -1];
30 typedef struct A typedef_A;
32 typedef_A; /* { dg-warning "does not declare anything" } */
35 char testF[sizeof(struct F) == sizeof(struct A) ? 1 : -1];
37 /* Test that __extension__ does the right thing coming _from_ GNU C mode. */
38 __extension__ struct G {
42 char testG[sizeof(struct G) == 2 * sizeof(struct A) ? 1 : -1];
48 char testH[sizeof(struct H) == 2 * sizeof(struct A) ? 1 : -1];