1 /* { dg-do compile } */
2 /* { dg-additional-options "-fdiagnostics-column-unit=display -fshow-column -fdiagnostics-show-caret -fdiagnostics-column-origin=0 -Wmultichar" } */
3 
4 /* column units: display (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 "17: 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 "24: multi-character character constant" } */
25 /* { dg-begin-multiline-output "" }
26          int c3 =        'c3';
27                          ^~~~
28    { dg-end-multiline-output "" } */
29