[Bug c/11663] gcc ignores the cast and emits a warning

[pinskia at physics dot uc dot edu]

PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11663


pinskia at physics dot uc dot edu changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
           Keywords|                            |diagnostic
         Resolution|                            |INVALID
            Summary|gcc ignores the cast and    |gcc ignores the cast and
                   |emits a warning             |emits a warning
   Target Milestone|3.4                         |---


------- Additional Comments From pinskia at physics dot uc dot edu  2003-07-24 18:14 -------
The warning is correct because converting unsigned char to short will always be positive 
or zero.  GCC is keeping the range information for trans_ind, if you want to convert 
unsigned char to signed short with trans_ind > 127 being negative add a cast to signed 
char first.