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    SubjectRe: [PATCH] ARM: Convert BUG() to use unreachable()
    On 12/17/2009 06:17 PM, Richard Guenther wrote:
    > It shouldn't as *(int *)0 = 0; might trap. But if you want to be sure
    > use
    > __builtin_trap ();
    > instead for the whole sequence (the unreachable is implied then).
    > GCC choses a size-optimal trap representation for your target then.

    Agree that it shouldn't but just to be sure I'd use

    *(volatile int *)0 = 0;
    unreachable ();

    Paolo


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