│ ─ %-1  = invoke foo(::Int64,::Int64)::Union{}
[90m[71G││ [1G[39m[90m  [39m[0m│   [32m    0[39m %2  = %new(%1)[36m::Core.Box[39m
[90m[71G│  [1G[39m[90m  [39m[0m5 ┄─[32m    0[39m %9  = Core.getfield(%2, :contents)[36m::Any[39m
[90m[71G│  [1G[39m[90m  [39m[0m│   [32m 1000[39m %10 = (%9 < 4)[36m::Any[39m
[90m[71G│  [1G[39m[90m  [39m[0m9 ┄─[32m    0[39m %16 = Core.getfield(%2, :contents)[36m::Any[39m
[90m[71G│  [1G[39m[90m  [39m[0m│   [32m 1000[39m %17 = (%16 + 1)[36m::Any[39m
[90m[71G   [1G[39m[90m  [39m