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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [g++.dg/] [ext/] [alias-canon2.C] - Rev 301
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// { dg-do compile }
// PR c++/37553
typedef unsigned int ui32;
__extension__ typedef unsigned long long int ui64;
typedef ui32 __attribute__ ((__may_alias__)) ui32a;
typedef ui64 __attribute__ ((__may_alias__)) ui64a;
union u_u32
{
ui32a v;
} __attribute__ ((__may_alias__));
union u_u64
{
ui64a v;
struct
{
union u_u32 lo32, hi32;
} u;
} __attribute__ ((__may_alias__));
void
out_long (ui64 longVal)
{
if ((*(union u_u64 *) &longVal).u.lo32.v < 0x10000000ul)
{
if ((ui32) ((*(union u_u64 *) &longVal).u.lo32.v) < 0x4000u)
{
/* do something useful */
}
}
}
void f(ui32 *) { }
void f(ui32a *) { }