view gcc/testsuite/g++.dg/cpp2a/spaceship-constexpr1.C @ 145:1830386684a0

gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
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// { dg-do compile { target c++2a } }

struct A
{
  int i;
  bool operator==(A a) const { return i == a.i; }
};

struct B
{
  A a;
  bool operator==(const B&) const = default; // { dg-error "A::operator==" }
};

constexpr bool x = B() == B();	// { dg-error "non-.constexpr" }