(based on patch by Martok)
   o enabled by default in ISO and Extended Pascal: compile-time error if not
     the case in ISO mode, warning and run-time error in Extended Pascal mode
   o warning enabled by default in all other modes for boolean, enumeration and
     subrange integer types with ranges different from the default ones
     (i.e., different from 0..255, -128..127, 0..65536, etc)
   o warnings for all ordinal types can be enabled in all modes with
     -CC

git-svn-id: trunk@42047 -