gcc/testsuite/c-c++-common/diagnostic-units-1.c

   1 /* { dg-do compile } */
   2 /* { dg-additional-options "-fdiagnostics-column-unit=byte -fshow-column -fdiagnostics-show-caret -Wmultichar" } */
   3
   4 /* column units: bytes (via arg)
   5    column origin: 1 (via default)
   6    tabstop: 8 (via default) */
   7
   8 /* This line starts with a tab.  */
   9         int c1 = 'c1'; /* { dg-warning "11: 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 "18: 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 "19: multi-character character constant" } */
  25 /* { dg-begin-multiline-output "" }
  26          int c3 =        'c3';
  27                          ^~~~
  28    { dg-end-multiline-output "" } */