1  /* As per inlining-4.c, but testing how the ASCII art version of
       2     the path looks.  */
       3  
       4  /* { dg-additional-options "-O2 -fdiagnostics-show-path-depths" } */
       5  /* { dg-additional-options "-fdiagnostics-path-format=inline-events -fdiagnostics-show-caret" } */
       6  
       7  #define NULL ((void *)0)
       8  
       9  static inline const char*
      10  inner (int flag)
      11  {
      12    if (flag)
      13      return NULL;
      14    return "foo";
      15  }
      16  
      17  static inline const char*
      18  middle (int flag)
      19  {
      20    return inner (flag);
      21  }
      22  
      23  char
      24  outer (int flag)
      25  {
      26    return *middle (flag); /* { dg-warning "dereference of NULL" "warning" } */
      27  }
      28  
      29  /* { dg-begin-multiline-output "" }
      30     return *middle (flag);
      31            ^~~~~~~~~~~~~~
      32    'outer': events 1-2 (depth 1)
      33      |
      34      | outer (int flag)
      35      | ^~~~~
      36      | |
      37      | (1) entry to 'outer'
      38      |
      39      |   return *middle (flag);
      40      |           ~
      41      |           |
      42      |           (2) inlined call to 'middle' from 'outer'
      43      |
      44      +--> 'middle': event 3 (depth 2)
      45             |
      46             |   return inner (flag);
      47             |          ^
      48             |          |
      49             |          (3) inlined call to 'inner' from 'middle'
      50             |
      51             +--> 'inner': event 4 (depth 3)
      52                    |
      53                    |   if (flag)
      54                    |      ^
      55                    |      |
      56                    |      (4) following 'true' branch (when 'flag != 0')...
      57                    |
      58      <-------------+
      59      |
      60    'outer': event 5 (depth 1)
      61      |
      62      |cc1:
      63      | (5): ...to here
      64      |
      65    'outer': event 6 (depth 1)
      66      |
      67      |   return *middle (flag);
      68      |          ^~~~~~~~~~~~~~
      69      |          |
      70      |          (6) dereference of NULL '<unknown>'
      71      |
      72     { dg-end-multiline-output "" } */