a warning to implement

[mike stump]

> To: dewar@gnat.com, gdr@codesourcery.com
> Cc: gcc@gcc.gnu.org, nathan@cs.bris.ac.uk, rsandifo@redhat.com
> Date: Wed,  6 Feb 2002 15:23:48 -0500 (EST)
> From: dewar@gnat.com (Robert Dewar)

> You seem to be assuming that of necessity a char object can contain
> only valid representations. This is definitely not true on all
> implementations.

It is certainly true on all C and C++ implementations.  gcc is first,
and foremost, a C/C++ compiler.  We wind up with the reality that
while what you say might be true, no such implementation can host
either a C or C++ compiler, and no such implementation is interesting
while discussing gcc.