view gcc/testsuite/g++.dg/ext/packed3.C @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
children
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// { dg-do compile }

// Copyright (C) 2003 Free Software Foundation, Inc.
// Contributed by Nathan Sidwell 15 Jul 2003 <nathan@codesourcery.com>

// Packed fields are unsuitable for direct reference binding.

struct Unpacked { int i; };

void Ref (int &p);
void Ref (Unpacked &p);

struct  __attribute__ ((packed)) Packed
{
  char c;
  int i;
  Unpacked u;
};

void Foo (Packed &p)
{
  Ref (p.i); // { dg-error "cannot bind packed field" "" { target { ! default_packed } } }
  Ref (p.u.i); // { dg-error "cannot bind packed field" "" { target { ! default_packed } } }
  Ref (p.u); // { dg-error "cannot bind packed field" "" { target { ! default_packed } } }
}