1  /* { dg-do compile } */
       2  /* { dg-options "-Wno-attributes -fdiagnostics-show-caret" } */
       3  
       4  extern void __emit_warning (const char *message);
       5  
       6  #define INNER_WARNING(MSG) __emit_warning (MSG)
       7  
       8  #define OUTER_WARNING(MSG) INNER_WARNING (MSG)
       9  
      10  __attribute__((always_inline))
      11  static void foo (void)
      12  {
      13    OUTER_WARNING ("message");
      14  }
      15  
      16  __attribute__((always_inline))
      17  static void bar (void)
      18  {
      19    foo ();
      20  }
      21  
      22  int main()
      23  {
      24    bar ();
      25    return 0;
      26  }
      27  
      28  /* Verify that the diagnostic subsytem describes both the chains of
      29     inlining and of macro expansion when reporting the warning.  */
      30  
      31  /* { dg-regexp "In function 'foo'," "" } */
      32  /* { dg-regexp "    inlined from 'bar' at .+/diagnostic-test-inlining-2.c:19:3," "" } */
      33  /* { dg-regexp "    inlined from 'main' at .+/diagnostic-test-inlining-2.c:24:3:" "" } */
      34  /* { dg-warning "28: message" "" { target c } 6 } */
      35  /* { dg-begin-multiline-output "" }
      36   #define INNER_WARNING(MSG) __emit_warning (MSG)
      37                              ^~~~~~~~~~~~~~~~~~~~
      38     { dg-end-multiline-output "" } */
      39  /* { dg-message "28: in expansion of macro 'INNER_WARNING'" "" { target c } 8 } */
      40  /* { dg-begin-multiline-output "" }
      41   #define OUTER_WARNING(MSG) INNER_WARNING (MSG)
      42                              ^~~~~~~~~~~~~
      43     { dg-end-multiline-output "" } */
      44  /* { dg-message "3: in expansion of macro 'OUTER_WARNING'" "" { target c } 13 } */
      45  /* { dg-begin-multiline-output "" }
      46     OUTER_WARNING ("message");
      47     ^~~~~~~~~~~~~
      48     { dg-end-multiline-output "" } */