[Bug c++/68819] Invalid "-Wmisleading-indentation" warning if location_t >=LINE_MAP_MAX_LOCATION_WITH_COLS

[dmalcolm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68819

--- Comment #5 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
Created attachment 36977
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36977&action=edit
Work-in-progress patch to fix this