1### Compilation failed: 2 3error: 1: interface block 'a' must contain at least one field 4a {} S; 5^ 6error: 2: struct 'S' must contain at least one field 7struct S{} S[v]; 8^^^^^^^^^^ 9error: 2: symbol 'S' was already defined 10struct S{} S[v]; 11^^^^^^^^^^ 12error: 2: unknown identifier 'v' 13struct S{} S[v]; 14 ^ 15error: 2: symbol 'S' was already defined 16struct S{} S[v]; 17 ^^^^ 18error: 3: expected an identifier, but found '{' 19S {} p[] 20 ^ 216 errors 22