| fs = mkfs(class, ty0, fieldvar), is_reftype(ty0), validref(str, r, ty, st), validref(str, val .refval, ty0, st), is_referencevalue(val) ⊦ validref(str, r, ty, st[r0 -- fs ', val]) |
is_reftype(ty0), validref(str, r, ty, st), validref(str, val .refval, ty0, st), is_referencevalue(val) ⊦ validref(str, r, ty, st[r0 -- mkfs(class, ty0, fieldvar) ', val])
[[CONCRETESIMPRULES : ()]]