fix: Don't rely on lang items to find primitive impls #11881
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rustc has removed the use of lang items to mark the primitive impls, so just look through the crate graph for them (this should be fine performance-wise since we cache the crates that contain these impls). Fixes rust-lang#11876.
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rustc has removed the use of lang items to mark the primitive impls, so just look through the crate graph for them (this should be fine performance-wise since we cache the crates that contain these impls).
Fixes #11876.