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SubjectRe: [PATCH][RFC] getting rid of stupid loop in BUG()
H. Peter Anvin wrote:
> INT 6 is #UD, so the __builtin_trap() replaces the ud2a as well as the loop.

__builtin_trap() emits an actual ud2a; the effect is an int 6, of course.

> How far back was __builtin_trap() supported?

I think its relatively recent, but it might be within our supported
compiler window.

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