line-map question

[Mike Stump]

On Apr 18, 2005, at 9:55 AM, Devang Patel wrote:
> From line_map comment at (libcpp/include/line-map.h)
>
> /* Physical source file TO_FILE at line TO_LINE at column 0 is  
> represented
>    by the logical START_LOCATION.  TO_LINE+L at column C is  
> represented by
>    START_LOCATION+(L*(1<<column_bits))+C, as long as C< 
> (1<<column_bits),
>
> What happens when column number is >= 128 ? This is PR 20907.

What should happen?  Well, col==0 would be reasonable.