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19 lines
536 B
Swift
19 lines
536 B
Swift
// RUN: %target-swift-frontend -emit-sil -verify %s
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// SR-12744: Pullback generation crash for unhandled indirect result.
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// May be due to inconsistent derivative function type calculation logic in
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// `VJPEmitter::createEmptyPullback`.
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import _Differentiation
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class Class: Differentiable {
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@differentiable(reverse, wrt: (self, x))
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@differentiable(reverse, wrt: x)
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func f(_ x: Float) -> Float { x }
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}
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func test<C: Class>(_ c: C, _ x: Float) {
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_ = gradient(at: c, x) { c, x in c.f(x) }
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_ = gradient(at: x) { x in c.f(x) }
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}
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