1  /* { dg-options "-fdiagnostics-show-caret -Wreturn-local-addr" } */
       2  
       3  int *address_of_local (void)
       4  {
       5    int some_local;
       6    return &some_local; /* { dg-warning "function returns address of local variable" } */
       7  /* { dg-begin-multiline-output "" }
       8     return &some_local;
       9            ^~~~~~~~~~~
      10     { dg-end-multiline-output "" } */
      11  }
      12  
      13  void surplus_return_when_void_1 (void)
      14  {
      15    return 500; /* { dg-warning "'return' with a value, in function returning void" } */
      16  /* { dg-begin-multiline-output "" }
      17     return 500;
      18            ^~~
      19     { dg-end-multiline-output "" } */
      20  /* { dg-begin-multiline-output "" }
      21   void surplus_return_when_void_1 (void)
      22        ^~~~~~~~~~~~~~~~~~~~~~~~~~
      23     { dg-end-multiline-output "" } */
      24  }
      25  
      26  void surplus_return_when_void_2 (int i, int j)
      27  {
      28    return i * j; /* { dg-warning "'return' with a value, in function returning void" } */
      29  /* { dg-begin-multiline-output "" }
      30     return i * j;
      31            ~~^~~
      32     { dg-end-multiline-output "" } */
      33  /* { dg-begin-multiline-output "" }
      34   void surplus_return_when_void_2 (int i, int j)
      35        ^~~~~~~~~~~~~~~~~~~~~~~~~~
      36     { dg-end-multiline-output "" } */
      37  }
      38  
      39  int missing_return_value (void)
      40  {
      41    return; /* { dg-warning "'return' with no value, in function returning non-void" } */
      42  /* { dg-begin-multiline-output "" }
      43     return;
      44     ^~~~~~
      45     { dg-end-multiline-output "" } */
      46  /* { dg-begin-multiline-output "" }
      47   int missing_return_value (void)
      48       ^~~~~~~~~~~~~~~~~~~~
      49     { dg-end-multiline-output "" } */
      50  /* TODO: ideally we'd underline the return type i.e. "int", but that
      51     location isn't captured.  */
      52  }