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/* { dg-do run } */
/* { dg-options "-O1" } */
struct S1 {
unsigned int _0;
unsigned int _1;
} ;
struct S2 {
struct S1 _s1;
unsigned long _x2;
} ;
struct ufld_type1 {
unsigned int _u1t;
struct S2 _s2;
} ;
struct ufld_type2 {
unsigned int _u2t;
struct S1 _s1;
} ;
struct parm_type {
union {
struct ufld_type1 var_1;
struct ufld_type2 var_2;
} U;
};
struct parm_type bad_function( struct parm_type arg0 )
{
struct parm_type rv;
struct S2 var4;
switch( arg0.U.var_2._u2t ) {
case 4294967041:
var4._s1 = arg0.U.var_1._s2._s1;
rv.U.var_1._u1t = 4294967041;
rv.U.var_1._s2 = var4;
break;
case 4294967043:
rv.U.var_2._u2t = 4294967043;
rv.U.var_2._s1 = arg0.U.var_2._s1;
break;
default:
break;
}
return rv;
}
int main() {
struct parm_type val;
struct parm_type out;
val.U.var_2._u2t = 4294967043;
val.U.var_2._s1._0 = 0x01010101;
val.U.var_2._s1._1 = 0x02020202;
out = bad_function(val);
if (val.U.var_2._u2t != 4294967043)
__builtin_abort ();
if (out.U.var_2._s1._0 != 0x01010101)
__builtin_abort ();
if (val.U.var_2._s1._1 != 0x02020202 )
__builtin_abort ();
return 0;
}
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