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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents 04ced10e8804
children
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line source

// PR c++/68727
// { dg-do compile }
// { dg-options "-Winvalid-offsetof" }

struct A { int i; };
struct B : virtual A { };
__SIZE_TYPE__ s = __builtin_offsetof (B, A::i);	// { dg-warning "'offsetof' within non-standard-layout type" }

template <typename T>
__SIZE_TYPE__
foo ()
{
  return __builtin_offsetof (T, A::i)		// { dg-warning "'offsetof' within non-standard-layout type" }
	 + __builtin_offsetof (B, A::i);	// { dg-warning "'offsetof' within non-standard-layout type" }
}

__SIZE_TYPE__ t = foo<B> ();