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update gcc11
author anatofuz
date Mon, 25 May 2020 07:50:57 +0900
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// PR c++/94205
// { dg-do compile { target c++14 } }

struct S
{
  struct A
  {
    S *p;
    constexpr A(S* p): p(p) {}
    constexpr operator int() { p->i = 5; return 6; }
  };
  int i;
  int a = A(this);
};


constexpr S s = {};

#define SA(X) static_assert((X),#X)
SA(s.i == 5 && s.a == 6);