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Auto merge of #155709 - tgross35:compiler-builtins-sync-2026-04-22, r=tgross35
compiler-builtins subtree update
Subtree update of `compiler-builtins` to https://github.com/rust-lang/compiler-builtins/commit/4d3ab8695dcf965be926882c92878b99017bf99b.
Created using https://github.com/rust-lang/josh-sync.
Closes: https://github.com/rust-lang/rust/pull/155653
