swift

d9ab75e8 - [AD] struct_extract result is varied only if field isn't `@noDerivative`

[AD] struct_extract result is varied only if field isn't `@noDerivative` If a stored property of a struct with synthesized Differentiable conformance is of a type that conforms to Differentiable, but is marked `@noDerivative`, a struct_extract instruction that extracts that property shouldn't propagate variedness to its result.