Re: [Xen-devel] [PATCH] x86: mark BUG()s and assertion failures as terminal.

[Tim Deegan <tim@xxxxxxx>]

At 16:07 +0100 on 19 Sep (1379606849), Tim Deegan wrote:
> At 15:56 +0100 on 19 Sep (1379606210), Keir Fraser wrote:
> > On 19/09/2013 15:39, "Tim Deegan" <tim@xxxxxxx> wrote:
> > > @@ -14,6 +14,12 @@
> > >  #define always_inline __inline__ __attribute__ ((always_inline))
> > >  #define noinline      __attribute__((noinline))
> > >  
> > > +#if (!defined(__clang__) && (__GNUC__ == 4) && (__GNUC_MINOR__ < 5))
> > 
> > Do you mean for gcc-3.4 to use __builtin_unreachable()?
> 
> No, what I want is for clang and all GCCs >= 4.5 to use the builtin.

Oh wait, I understand your question now: gcc 3.4 will already have
failed the version check at the top of the file, so I don't need to
check for it here.

Tim.

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