On Wed, Jul 25, 2007 at 09:56:12AM -0700, Linus Torvalds wrote:
> We don't just do the "ud2" instruction - we also do the file and line
> number information after it. Which means that __builtin_trap() is useless.
>
> So we might as well keep the loop, since both are two-byte instructions
> that tell gcc that it will never continue.
Actually, the worse problem is that gcc will happily merge these guys.
And that's a killer.
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