1 // RUN: %clang_cc1 %s -fsyntax-only
2 
3 // C99 6.7.2.3p11
4 
5 // mutually recursive structs
6 struct s1 { struct s2 *A; };
7 struct s2 { struct s1 *B; };
8 
9 // both types are complete now.
10 struct s1 a;
11 struct s2 b;
12