1  /* { dg-do compile } */
       2  /* { dg-additional-options "-fdiagnostics-column-unit=byte -fshow-column -fdiagnostics-show-caret -fdiagnostics-column-origin=0 -Wmultichar" } */
       3  
       4  /* column units: bytes (via arg)
       5     column origin: 0 (via arg)
       6     tabstop: 8 (via default) */
       7  
       8  /* This line starts with a tab.  */
       9  	int c1 = 'c1'; /* { dg-warning "10: multi-character character constant" } */
      10  /* { dg-begin-multiline-output "" }
      11           int c1 = 'c1';
      12                    ^~~~
      13     { dg-end-multiline-output "" } */
      14  
      15  /* This line starts with <tabstop> spaces.  */
      16          int c2 = 'c2'; /* { dg-warning "17: multi-character character constant" } */
      17  /* { dg-begin-multiline-output "" }
      18           int c2 = 'c2';
      19                    ^~~~
      20     { dg-end-multiline-output "" } */
      21  
      22  /* This line starts with <tabstop> spaces and has an internal tab after
      23     a space.  */
      24          int c3 = 	'c3'; /* { dg-warning "18: multi-character character constant" } */
      25  /* { dg-begin-multiline-output "" }
      26           int c3 =        'c3';
      27                           ^~~~
      28     { dg-end-multiline-output "" } */