ir3: Fix for kill instructions in an infinite loop
This fixes a hang in the (in)famous dEQP-VK.graphicsfuzz.while-inside-switch test with turnip. See the last commit for the full story -- the first one fixes a problem surfaced by it.
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This fixes a hang in the (in)famous dEQP-VK.graphicsfuzz.while-inside-switch test with turnip. See the last commit for the full story -- the first one fixes a problem surfaced by it.