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Re: [PATCH] PR c/10175: Fix for -Wunreachable-code
On Mon, 2003-03-31 at 11:42, Steven Bosscher wrote:
> Op ma 31-03-2003, om 21:19 schreef Mark Mitchell:
> >
> > In my opinion, to do this right, the code needs to be moved further into
> > the front end. On the other hand, to do it the way we have it now,
> > whatever is causing jump not to issue the warnings it used to should be
> > figured out and fixed.
>
> Moving the warning to the front end is not really an option if you wish
> to preserve the current behavior. never_reached_warning is (RTL) CFG
> based, and we don't know anything about the CFG in the front end.
Yes, I know. And I think that's broken. (See, for example, my point
about code for which RTL is never generated.)
Thanks,
--
Mark Mitchell
CodeSourcery, LLC
mark at codesourcery dot com