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

[jashepherd at usa dot net]

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

           Summary: gcc ignores the cast and emits a warning
           Product: gcc
           Version: 2.96 (redhat)
            Status: UNCONFIRMED
          Severity: minor
          Priority: P2
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: jashepherd at usa dot net
                CC: gcc-bugs at gcc dot gnu dot org

gcc -v
Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/2.96/specs
gcc version 2.96 20000731 (Red Hat Linux 7.2 2.96-116.7.2)

/*
  gcc ignores the cast and emits a warning 

  gcc bug.c -funsigned-char
  bug.c: In function `main':
  bug.c:13: warning: comparison is always true due to limited range of data type

*/

char trans_ind = 3;
int main(int argc, char *argv[])
{
   if ((short)trans_ind >= 0 && (short)trans_ind <= 3)
      printf("Yes\n");
   else
     printf("No\n");    

   return(0);
}