Andrew Savonichev 5abb580b3d [AutoDiff] Fix return type of subset parameters thunk function (#67487) ...

The patch resolves #67402.

When the original function has a tuple result type, we should append
thunkedLinearMap as the last element of the tuple to match the function
declaration. Before this patch, the compiler used to wrap the original result
tuple and thunkedLinearMap into another tuple, and caused the verifier error.

Before the patch:

  return %{{.*}} : $((Float, Double), @callee_guaranteed (Float) -> X.TangentVector)

After the patch:

  return %{{.*}} : $(Float, Double, @callee_guaranteed (Float) -> X.TangentVector)

2023-07-25 11:36:00 -07:00

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