[PATCH] C undefined behavior fix

[David Woodhouse]

jbuck@synopsys.COM said:
> > An ICE, while it's not quite what was expected and it'll probably get
> > fixed, is nonetheless a perfectly valid implementation of 'undefined 
> > behaviour'.

>  Not for GCC it isn't.  Our standards say that a compiler crash, for
> any input whatsoever, no matter how invalid (even if you feed in line
> noise), is a bug.  Other than that we shouldn't make promises, though
> the old gcc1 behavior of trying to launch a game of rogue or hack when
> encountering a #pragma was cute.

True - sorry, I forgot where this was crossposted. I didn't mean to imply
that GCC folks would _accept_ an ICE and not fix it - just that strictly
speaking, it is a perfectly valid response, as is the unintended observed
behaviour of the output code which actually started this thread.

--
dwmw2