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/* No devirtualization happens here, but A::foo should not end up as reachable
because the constructor of A is unreachable and therefore the virtual
method table referring to A::foo is optimized out. */
/* { dg-do run } */
/* { dg-options "-O2 -fdump-tree-ssa -fdevirtualize" } */
class B {
public:
virtual int foo(void)
{
return 0;
}
};
namespace {
class A : public B {
public:
virtual int foo(void)
{
return 1;
}
};
}
class B a, *b=&a;
main()
{
if (0)
{
class A a;
a.foo();
}
return b->foo();
}
/* { dg-final { scan-tree-dump-not "A::foo" "ssa"} } */
/* { dg-final { cleanup-tree-dump "ssa" } } */
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