|  | /* { dg-do compile } */ | 
|  | /* { dg-additional-options "-fdiagnostics-column-unit=byte -fshow-column -fdiagnostics-show-caret -Wmultichar" } */ | 
|  |  | 
|  | /* column units: bytes (via arg) | 
|  | column origin: 1 (via default) | 
|  | tabstop: 8 (via default) */ | 
|  |  | 
|  | /* This line starts with a tab.  */ | 
|  | int c1 = 'c1'; /* { dg-warning "11: multi-character character constant" } */ | 
|  | /* { dg-begin-multiline-output "" } | 
|  | int c1 = 'c1'; | 
|  | ^~~~ | 
|  | { dg-end-multiline-output "" } */ | 
|  |  | 
|  | /* This line starts with <tabstop> spaces.  */ | 
|  | int c2 = 'c2'; /* { dg-warning "18: multi-character character constant" } */ | 
|  | /* { dg-begin-multiline-output "" } | 
|  | int c2 = 'c2'; | 
|  | ^~~~ | 
|  | { dg-end-multiline-output "" } */ | 
|  |  | 
|  | /* This line starts with <tabstop> spaces and has an internal tab after | 
|  | a space.  */ | 
|  | int c3 = 	'c3'; /* { dg-warning "19: multi-character character constant" } */ | 
|  | /* { dg-begin-multiline-output "" } | 
|  | int c3 =        'c3'; | 
|  | ^~~~ | 
|  | { dg-end-multiline-output "" } */ |