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// { dg-do compile }

// Origin: Steven Bosscher 

// PR c++/17401: ICE with invalid pure specifier

// NOTE: This also tests QoI of diagnostic for invalid pure specifiers.

//  Please do *not* relax the dg-error tests.

class foo

{

  virtual void bar1 () = 0;

  virtual void bar2 () = __null;  // { dg-error "invalid pure specifier" }

  virtual void bar3 () = 4;       // { dg-error "invalid pure specifier" }

  virtual void bar4 () = A::f;    // { dg-error "invalid pure specifier" }

};