Nikita Popov b066505d88 [ArgPromotion] Require noundef to copy poison-generating metadata ...

For poison-generating (rather than IUB) metadata, only copy it
from the dominating must-exec load if it is combined with !noundef.
This could be further extended by additionall intersecting the
metadata from all loads, which does not require !noundef.

2023-04-05 14:34:33 +02:00

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