result code = -1
standard error = {
tests/diagnostics/autodiff-data-flow.slang(15): error 41020: derivative cannot be propagated through call to non-forward-differentiable function `nonDiff`, use 'no_diff' to clarify intention.
        val = nonDiff(x * 2.0f);
                     ^
tests/diagnostics/autodiff-data-flow.slang(28): error 30510: loops inside a differentiable function need to provide either '[MaxIters(n)]' or '[ForceUnroll]' attribute.
    for (int i = 0; i < 5; i++) // Not ok, we can't infer the loop iterations because the body modifies induction var.
    ^~~
}
standard output = {
}