irinterp: Don't try to rekill fall-through terminators#49815
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If a fall-through terminator was already Bottom, we should not attempt to rekill the successor edge, because it was already deleted. Yet another fix in the #49692, #49750, #49797 series, which is turning out to be quite a rabit hole. Also fix a typo in the verifer tweak where we were looking at the BB idx rather than the terminator idx.
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If a fall-through terminator was already Bottom, we should not attempt to rekill the successor edge, because it was already deleted. Yet another fix in the #49692, #49750, #49797 series, which is turning out to be quite a rabit hole. Also fix a typo in the verifer tweak where we were looking at the BB idx rather than the terminator idx.