gcc-4.9/gcc/testsuite/g++.dg/cpp0x/constexpr-incomplete3.C


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// PR c++/49015
// { dg-do compile { target c++11 } }

class A;

class B {
  friend constexpr B f(A); // Line 5
};

class A {};

constexpr B f(A) { return B(); } // Line 10