swift

64361eb2 - [AutoDiff] Update `differentiableFunction(from:)` to use differentiable function constructor builtins. (#28470)

[AutoDiff] Update `differentiableFunction(from:)` to use differentiable function constructor builtins. (#28470) This PR updates `differentiableFunction(from:)` to use differentiable function constructor builtins added in #28467. The standard library no longer has non-top-level derivative registration. Resolves SR-11847. Unblocks SR-11849.