view gcc/testsuite/g++.dg/ipa/devirt-17.C @ 131:84e7813d76e9

gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
line wrap: on
line source

/* We shall devirtualize to B::foo since it is the only live candidate of an
   anonymous type.  */
/* { dg-do compile } */
/* { dg-options "-O2 -fdump-ipa-whole-program-details"  } */
namespace {
class B {
public:
  virtual int foo(void)
{
  return 0;
}
};
class A : public B {
public:
  virtual int foo(void)
{
  return 1;
}
};
}
class B *b;
void get_me_lost (void *);
int main()
{
  int c;
  if (c)
    {
    class A a;
    a.foo();
    }
  else
    {
    b = new (class B);
    b->foo();
	get_me_lost ((void *)&b);
    }
  return b->foo();
}

/* { dg-final { scan-ipa-dump-not "builtin_unreachable" "whole-program"} } */
/* { dg-final { scan-ipa-dump "B::foo" "whole-program"} } */
/* { dg-final { scan-ipa-dump-not "A::foo" "whole-program"} } */