result code = -1
standard error = {
tests/diagnostics/autodiff-custom-diff-inout.slang(3): error 30019: expected an expression of type 'float', got 'DifferentialPair<float>'
[BackwardDerivative(__d_f)]
 ^~~~~~~~~~~~~~~~~~
tests/diagnostics/autodiff-custom-diff-inout.slang(3): error 31149: invalid custom derivative. parameter type mismatch at position 0. expected 'inout DifferentialPair<float>', got 'float'
[BackwardDerivative(__d_f)]
 ^~~~~~~~~~~~~~~~~~
}
standard output = {
}