1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59
  
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      // RUN: %clang_cc1 %s -emit-llvm -o -
union u_tag {
  int a;
  float b;
} u;
void f() {
  u.b = 11;
}
float get_b(union u_tag *my_u) {
  return my_u->b;
}
int f2( float __x ) { 
  union{ 
    float __f; 
    unsigned int __u; 
  }__u;
  return (int)(__u.__u >> 31); 
}
typedef union { int i; int *j; } value;
int f3(value v) {
  return *v.j;
}
enum E9 { one, two };
union S65 { enum E9 a; } ; union S65 s65;
void fS65() { enum E9 e = s65.a; } 
typedef union{
  unsigned char x[65536];
} q;
int qfunc() {q buf; unsigned char* x = buf.x;}
union RR {_Bool a : 1;} RRU;
int RRF(void) {return RRU.a;}
// PR6164
typedef union T0 { unsigned int : 0; } T0;
T0 t0;
union { int large_bitfield: 31; char c } u2;
struct dt_t_s {
  union {
    long long u : 56;
  } __attribute__((packed));
};
struct {
  struct {
    struct {
      struct dt_t_s t;
    };
  };
} a;
 
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