-- in.cue --
a: null         @test(eq, null)
b: a.x | "b"    @test(eq, "b")
c: a["x"] | "c" @test(eq, "c")
-- out/eval/stats --
Leaks:  0
Freed:  8
Reused: 5
Allocs: 3
Retain: 0

Unifications: 4
Conjuncts:    8
Disjuncts:    8
