1  /* { dg-do compile } */
       2  /* { dg-options "-std=c11 -ftrack-macro-expansion=1" } */
       3  
       4  #define A(x) _Static_assert(x, #x)
       5  #define F(x, y, z) a = __LINE__, b = x ## y, c = z
       6  
       7  enum {
       8  #line 10
       9      F
      10       (
      11        __LI,
      12        NE__,
      13        __LINE__
      14        )
      15  };
      16  
      17  A(a == 10);
      18  A(b == 10);
      19  A(c == 14);