| fs = mkfs(class, ty, fieldvar), st[r -- fs '] = refval(r0), st[r0 -- _type] .type ≤ ty, is_reftype(ty), fs ' ∈ instfields(st[r -- _type] .type .class), is_obj(str, r, st), cyclic(str, r0, st) ⊦ cyclic(str, r, st) |
st[r -- mkfs(class, ty, fieldvar) '] = refval(r0), st[r0 -- _type] .type ≤ ty, is_reftype(ty), mkfs(class, ty, fieldvar) ' ∈ instfields(st[r -- _type] .type .class), is_obj(str, r, st), cyclic(str, r0, st) ⊦ cyclic(str, r, st)
[[CONCRETESIMPRULES : ()]]