| st[r -- mkfs(class, ty3, fieldvar) '] = refval(r0), validrefs(str, r0 ' + refs1, ty0, st), st[r -- _type] .type ≤ ty, mkfs(class, ty3, fieldvar) ' ∈ instfields(st[r -- _type] .type .class), validrefs(str, r0 ', ty3, st), is_obj(str, r, st), ∀ str0, ty1, st0, refs, ty2. validrefs(str0, r0 ', ty1, st0) ∧ validrefs(str0, r0 ' + refs, ty2, st0) → validrefs(str0, r0 ' + refs, ty1, st0) ⊦ r = jvmref, validrefs(str, r0 ' + refs1, ty3, st) |
[[CONCRETESIMPRULES : ()], [EXTRATERMS : (str, ty3, st, refs1, ty0)]]