egcs-1.0, cccp.c, warning from DEC C

[Richard Henderson]

In article <9712091136.AA23105.cygnus.egcs.bugs@progis.de>,
Klaus Kaempf <kkaempf@progis.de> wrote:
>
>                    simplify_filename (pend_includes[i] = argv[++i]);
>        ............^
>%CC-W-UNDEFVARFETCH, In this statement, the expression "simplify_filename(...)"
> modifies "i", and fetches its value in a computation that is not used to
> produce the modified value without an intervening sequence point.  This
> behavior is undefined.
>
>From my understanding of the C language, dec c is right and cccp.c is wrong.

Yep.  I've wanted gcc -Wall to be able to detect things like
that for some time.


r~