[IRGen] Forwarded wtable packs when possible. #63588
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Previously wtable packs were never forwarded because pack types consisting of a single element which was itself a pack archetype were never canonicalized into that. In the forwarding scenario, gepped and loaded from wtable when lowering open_pack_element.
Moved a few static helpers to the top.
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@swift-ci please test and merge |
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Previously wtable packs were never forwarded because pack types consisting of a single element which was itself a pack archetype were never canonicalized into that.
In the forwarding scenario, gepped and loaded from wtable when lowering
open_pack_element.