! cue vet
cmp stderr expect-stderr

-- expect-stderr --
some instances are incomplete; use the -c flag to show errors or suppress this message
-- partial.cue --
package partial

def: *1 | int
sum: 1 | 2

b: {
	idx: a[str] // should resolve to top-level `a`
	str: string
}
b: a: b: 4
a: {
	b: 3
	c: 4
}
c: b & {str: "b"}