No stacktrace during manifestation when error occurs at object level

[sparkprime]

$ cat stacktrace_bug.jsonnet 

local A = {
    f +: {},
};

A {
}
$ jsonnet stacktrace_bug.jsonnet 
RUNTIME ERROR: Attempt to use super when there is no super class.
                object <anonymous>
        During manifestation

[sparkprime]

@oconnorr @mikedanese @davidzchen