/* { dg-options "-O2 -fdump-tree-fre3-details"  } */

// A throwing dtor in C++98 mode changes the results.
#if __cplusplus < 201100L
#define NOTHROW throw()
#else
#define NOTHROW noexcept
#endif

typedef enum
{
} UErrorCode;
class UnicodeString
{
public:
  UnicodeString ();
  virtual ~UnicodeString () NOTHROW;
};
class A
{
  UnicodeString &m_fn1 (UnicodeString &, int &p2, UErrorCode &) const;
};
UnicodeString::UnicodeString () {}

UnicodeString g;

UnicodeString &
A::m_fn1 (UnicodeString &, int &p2, UErrorCode &) const
{
  UnicodeString a[2];
  return g;
}

/* { dg-final { scan-tree-dump-not "\\n  OBJ_TYPE_REF" "fre3"  } } */