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/* { dg-do compile } */
/* { dg-options "-O -fdump-tree-fre-details" } */
struct Foo {
Foo() {};
int i;
short f;
};
struct Bar : public Foo {
Bar() {};
short b;
};
extern "C" void abort(void);
int main()
{
Bar b1, b2;
b2.i = 0;
b1.f = 0;
b1.b = 1;
b2.f = 1;
b2.b = 2;
static_cast<Foo&>(b1) = static_cast<Foo&>(b2);
if (b1.i != 0 || b1.b != 1)
abort ();
if (b1.f != 1)
abort ();
return 0;
}
/* { dg-final { scan-tree-dump "Replaced b1.b with 1" "fre" } } */
/* { dg-final { scan-tree-dump "Replaced b1.i with 0" "fre" { xfail *-*-* } } } */
/* { dg-final { scan-tree-dump "Replaced b1.f with 1" "fre" { xfail *-*-* } } } */
/* { dg-final { cleanup-tree-dump "fre" } } */
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