[Bug c++/49973] Column numbers count special characters as multiple columns

[schwab@linux-m68k.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49973

--- Comment #3 from Andreas Schwab <schwab@linux-m68k.org> 2011-08-04 10:55:13 UTC ---
Why 10? "    /* 中 */ " has 12 characters (and 14 bytes as utf8).